1057404 has 12 divisors (see below), whose sum is σ = 2467304. Its totient is φ = 352464.

The previous prime is 1057393. The next prime is 1057411. The reversal of 1057404 is 4047501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1057404² = 2236206438432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44047 + ... + 44070.

2^1057404 is an apocalyptic number.

It is an amenable number.

1057404 is an abundant number, since it is smaller than the sum of its proper divisors (1409900).

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

1057404 is a wasteful number, since it uses less digits than its factorization.

1057404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88124 (or 88122 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1057404 is about 1028.3015122035. The cubic root of 1057404 is about 101.8779778823.

The spelling of 1057404 in words is "one million, fifty-seven thousand, four hundred four".