1379448 has 144 divisors (see below), whose sum is σ = 4801680. Its totient is φ = 354816.

The previous prime is 1379447. The next prime is 1379449. The reversal of 1379448 is 8449731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1379447) and next prime (1379449).

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379447) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59965 + ... + 59987.

It is an arithmetic number, because the mean of its divisors is an integer number (33345).

2^1379448 is an apocalyptic number.

1379448 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 1379448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2400840).

1379448 is an abundant number, since it is smaller than the sum of its proper divisors (3422232).

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

1379448 is a wasteful number, since it uses less digits than its factorization.

1379448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 52 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1379448 is about 1174.4990421452. The cubic root of 1379448 is about 111.3187816886.

The spelling of 1379448 in words is "one million, three hundred seventy-nine thousand, four hundred forty-eight".