864375400 has 48 divisors (see below), whose sum is σ = 2296772640. Its totient is φ = 296356800.

The previous prime is 864375383. The next prime is 864375401. The reversal of 864375400 is 4573468.

It is a self number, because there is not a number n which added to its sum of digits gives 864375400.

It is not an unprimeable number, because it can be changed into a prime (864375401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307306 + ... + 310105.

It is an arithmetic number, because the mean of its divisors is an integer number (47849430).

Almost surely, 2^864375400 is an apocalyptic number.

It is an amenable number.

864375400 is an abundant number, since it is smaller than the sum of its proper divisors (1432397240).

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

864375400 is a wasteful number, since it uses less digits than its factorization.

864375400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617434 (or 617425 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 864375400 is about 29400.2619035953. The cubic root of 864375400 is about 952.5785534193.

The spelling of 864375400 in words is "eight hundred sixty-four million, three hundred seventy-five thousand, four hundred".