1373904 has 120 divisors (see below), whose sum is σ = 4642560. Its totient is φ = 370944.

The previous prime is 1373891. The next prime is 1373959. The reversal of 1373904 is 4093731.

It is a super-2 number, since 2×1373904² = 3775224402432, which contains 22 as substring.

It is a cake number, because a cake can be divided into 1373904 parts by 202 planar cuts.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 29209 + ... + 29255.

It is an arithmetic number, because the mean of its divisors is an integer number (38688).

2^1373904 is an apocalyptic number.

1373904 is a gapful number since it is divisible by the number (14) 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 1373904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2321280).

1373904 is an abundant number, since it is smaller than the sum of its proper divisors (3268656).

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

1373904 is a wasteful number, since it uses less digits than its factorization.

1373904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 1373904 is about 1172.1365108212. The cubic root of 1373904 is about 111.1694514364.

The spelling of 1373904 in words is "one million, three hundred seventy-three thousand, nine hundred four".