1057919828 has 24 divisors (see below), whose sum is σ = 2150529024. Its totient is φ = 445960800.

The previous prime is 1057919827. The next prime is 1057919831. The reversal of 1057919828 is 8289197501.

It is a super-2 number, since 2×1057919828² = 2238388724951099168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057919827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307988 + ... + 311403.

It is an arithmetic number, because the mean of its divisors is an integer number (89605376).

Almost surely, 2^1057919828 is an apocalyptic number.

It is an amenable number.

1057919828 is an abundant number, since it is smaller than the sum of its proper divisors (1092609196).

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

1057919828 is a wasteful number, since it uses less digits than its factorization.

1057919828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619463 (or 619461 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 50.

The square root of 1057919828 is about 32525.6795163452. The cubic root of 1057919828 is about 1018.9454139397.

The spelling of 1057919828 in words is "one billion, fifty-seven million, nine hundred nineteen thousand, eight hundred twenty-eight".