1047393892 has 24 divisors (see below), whose sum is σ = 1853250560. Its totient is φ = 517920480.

The previous prime is 1047393889. The next prime is 1047393911. The reversal of 1047393892 is 2983937401.

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, 165034 + ... + 171262.

Almost surely, 2^1047393892 is an apocalyptic number.

It is an amenable number.

1047393892 is a deficient number, since it is larger than the sum of its proper divisors (805856668).

1047393892 is a wasteful number, since it uses less digits than its factorization.

1047393892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691 (or 6689 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 1047393892 is about 32363.4653892317. The cubic root of 1047393892 is about 1015.5547589791.

The spelling of 1047393892 in words is "one billion, forty-seven million, three hundred ninety-three thousand, eight hundred ninety-two".