863923472 has 20 divisors (see below), whose sum is σ = 1684125840. Its totient is φ = 429310368.

The previous prime is 863923453. The next prime is 863923477. The reversal of 863923472 is 274329368.

It is not an unprimeable number, because it can be changed into a prime (863923477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163022 + ... + 168237.

It is an arithmetic number, because the mean of its divisors is an integer number (84206292).

Almost surely, 2^863923472 is an apocalyptic number.

It is an amenable number.

863923472 is a deficient number, since it is larger than the sum of its proper divisors (820202368).

863923472 is a wasteful number, since it uses less digits than its factorization.

863923472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331430 (or 331424 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 863923472 is about 29392.5751168556. The cubic root of 863923472 is about 952.4125098350.

The spelling of 863923472 in words is "eight hundred sixty-three million, nine hundred twenty-three thousand, four hundred seventy-two".