1056629886 has 32 divisors (see below), whose sum is σ = 2307006240. Its totient is φ = 320661504.

The previous prime is 1056629863. The next prime is 1056629897. The reversal of 1056629886 is 6889266501.

It is a super-2 number, since 2×1056629886² = 2232933431976745992, 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 15 ways as a sum of consecutive naturals, for example, 87091 + ... + 98478.

It is an arithmetic number, because the mean of its divisors is an integer number (72093945).

Almost surely, 2^1056629886 is an apocalyptic number.

1056629886 is an abundant number, since it is smaller than the sum of its proper divisors (1250376354).

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

1056629886 is a wasteful number, since it uses less digits than its factorization.

1056629886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185660.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 1056629886 is about 32505.8438746020. The cubic root of 1056629886 is about 1018.5311055869.

The spelling of 1056629886 in words is "one billion, fifty-six million, six hundred twenty-nine thousand, eight hundred eighty-six".