1047899432 has 16 divisors (see below), whose sum is σ = 1969025760. Its totient is φ = 522825904.

The previous prime is 1047899423. The next prime is 1047899467. The reversal of 1047899432 is 2349987401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136508 + ... + 143979.

It is an arithmetic number, because the mean of its divisors is an integer number (123064110).

Almost surely, 2^1047899432 is an apocalyptic number.

It is an amenable number.

1047899432 is a deficient number, since it is larger than the sum of its proper divisors (921126328).

1047899432 is a wasteful number, since it uses less digits than its factorization.

1047899432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280960 (or 280956 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 1047899432 is about 32371.2747972643. The cubic root of 1047899432 is about 1015.7181234905.

The spelling of 1047899432 in words is "one billion, forty-seven million, eight hundred ninety-nine thousand, four hundred thirty-two".