1057830872 has 16 divisors (see below), whose sum is σ = 2266780560. Its totient is φ = 453356064.

The previous prime is 1057830863. The next prime is 1057830889. The reversal of 1057830872 is 2780387501.

It is a super-2 number, since 2×1057830872² = 2238012307512560768, 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, 9444863 + ... + 9444974.

It is an arithmetic number, because the mean of its divisors is an integer number (141673785).

Almost surely, 2^1057830872 is an apocalyptic number.

It is an amenable number.

1057830872 is an abundant number, since it is smaller than the sum of its proper divisors (1208949688).

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

1057830872 is a wasteful number, since it uses less digits than its factorization.

1057830872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18889850 (or 18889846 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 1057830872 is about 32524.3120142456. The cubic root of 1057830872 is about 1018.9168535370.

The spelling of 1057830872 in words is "one billion, fifty-seven million, eight hundred thirty thousand, eight hundred seventy-two".