1438848 has 48 divisors (see below), whose sum is σ = 4143750. Its totient is φ = 479232.

The previous prime is 1438847. The next prime is 1438849. The reversal of 1438848 is 8488341.

It is an interprime number because it is at equal distance from previous prime (1438847) and next prime (1438849).

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 166464 = 1128^2 + 408^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1438847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 528 + ... + 1776.

2^1438848 is an apocalyptic number.

1438848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1438848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2071875).

1438848 is an abundant number, since it is smaller than the sum of its proper divisors (2704902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1438848 is a wasteful number, since it uses less digits than its factorization.

1438848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1254 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 1438848 is about 1199.5199039616. The cubic root of 1438848 is about 112.8942022791.

The spelling of 1438848 in words is "one million, four hundred thirty-eight thousand, eight hundred forty-eight".