1057469916 has 24 divisors (see below), whose sum is σ = 2534118160. Its totient is φ = 342963072.

The previous prime is 1057469893. The next prime is 1057469929. The reversal of 1057469916 is 6199647501.

It is a happy number.

It is a super-2 number, since 2×1057469916² = 2236485246490094112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190401 + ... + 1191288.

Almost surely, 2^1057469916 is an apocalyptic number.

It is an amenable number.

1057469916 is an abundant number, since it is smaller than the sum of its proper divisors (1476648244).

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

1057469916 is a wasteful number, since it uses less digits than its factorization.

1057469916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381733 (or 2381731 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 1057469916 is about 32518.7625225807. The cubic root of 1057469916 is about 1018.8009478027.

The spelling of 1057469916 in words is "one billion, fifty-seven million, four hundred sixty-nine thousand, nine hundred sixteen".