864189300 has 72 divisors (see below), whose sum is σ = 2692737376. Its totient is φ = 212722560.

The previous prime is 864189283. The next prime is 864189301. The reversal of 864189300 is 3981468.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864189301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106894 + ... + 114693.

Almost surely, 2^864189300 is an apocalyptic number.

It is an amenable number.

864189300 is an abundant number, since it is smaller than the sum of its proper divisors (1828548076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

864189300 is a wasteful number, since it uses less digits than its factorization.

864189300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221617 (or 221610 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 864189300 is about 29397.0967954320. The cubic root of 864189300 is about 952.5101851337.

The spelling of 864189300 in words is "eight hundred sixty-four million, one hundred eighty-nine thousand, three hundred".