1047689932 has 12 divisors (see below), whose sum is σ = 1834638400. Its totient is φ = 523507536.

The previous prime is 1047689917. The next prime is 1047689953. The reversal of 1047689932 is 2399867401.

It is a super-2 number, since 2×1047689932² = 2195308387228329248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 77307 + ... + 89842.

Almost surely, 2^1047689932 is an apocalyptic number.

It is an amenable number.

1047689932 is a deficient number, since it is larger than the sum of its proper divisors (786948468).

1047689932 is a wasteful number, since it uses less digits than its factorization.

1047689932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168720 (or 168718 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 1047689932 is about 32368.0387419442. The cubic root of 1047689932 is about 1015.6504302486.

The spelling of 1047689932 in words is "one billion, forty-seven million, six hundred eighty-nine thousand, nine hundred thirty-two".