1438064 has 30 divisors (see below), whose sum is σ = 2969304. Its totient is φ = 674560.

The previous prime is 1438061. The next prime is 1438067. The reversal of 1438064 is 4608341.

It is an interprime number because it is at equal distance from previous prime (1438061) and next prime (1438067).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4469 + ... + 4779.

2^1438064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1438064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1484652).

1438064 is an abundant number, since it is smaller than the sum of its proper divisors (1531240).

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

1438064 is a wasteful number, since it uses less digits than its factorization.

1438064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1438064 is about 1199.1930620213. The cubic root of 1438064 is about 112.8736939430.

The spelling of 1438064 in words is "one million, four hundred thirty-eight thousand, sixty-four".