864291982 has 8 divisors (see below), whose sum is σ = 1296575496. Its totient is φ = 432100152.

The previous prime is 864291949. The next prime is 864292061. The reversal of 864291982 is 289192468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 10248 + ... + 42820.

It is an arithmetic number, because the mean of its divisors is an integer number (162071937).

Almost surely, 2^864291982 is an apocalyptic number.

864291982 is a deficient number, since it is larger than the sum of its proper divisors (432283514).

864291982 is a wasteful number, since it uses less digits than its factorization.

864291982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45842.

The product of its digits is 497664, while the sum is 49.

The square root of 864291982 is about 29398.8432085346. The cubic root of 864291982 is about 952.5479090357.

The spelling of 864291982 in words is "eight hundred sixty-four million, two hundred ninety-one thousand, nine hundred eighty-two".