1057628 has 36 divisors (see below), whose sum is σ = 2226168. Its totient is φ = 433440.

The previous prime is 1057613. The next prime is 1057631. The reversal of 1057628 is 8267501.

It is a super-2 number, since 2×1057628² = 2237153972768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24575 + ... + 24617.

It is an arithmetic number, because the mean of its divisors is an integer number (61838).

2^1057628 is an apocalyptic number.

It is an amenable number.

1057628 is an abundant number, since it is smaller than the sum of its proper divisors (1168540).

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

1057628 is a wasteful number, since it uses less digits than its factorization.

1057628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1057628 is about 1028.4104239067. The cubic root of 1057628 is about 101.8851713031.

The spelling of 1057628 in words is "one million, fifty-seven thousand, six hundred twenty-eight".