863071492 has 12 divisors (see below), whose sum is σ = 1521905616. Its totient is φ = 428241320.

The previous prime is 863071457. The next prime is 863071499. The reversal of 863071492 is 294170368.

It is not an unprimeable number, because it can be changed into a prime (863071499) 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, 823018 + ... + 824065.

It is an arithmetic number, because the mean of its divisors is an integer number (126825468).

Almost surely, 2^863071492 is an apocalyptic number.

It is an amenable number.

863071492 is a deficient number, since it is larger than the sum of its proper divisors (658834124).

863071492 is a wasteful number, since it uses less digits than its factorization.

863071492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647218 (or 1647216 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 863071492 is about 29378.0784259284. The cubic root of 863071492 is about 952.0993249591.

The spelling of 863071492 in words is "eight hundred sixty-three million, seventy-one thousand, four hundred ninety-two".