288066864 has 40 divisors (see below), whose sum is σ = 753602560. Its totient is φ = 94805568.

The previous prime is 288066841. The next prime is 288066871. The reversal of 288066864 is 468660882.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34192 + ... + 41775.

It is an arithmetic number, because the mean of its divisors is an integer number (18840064).

Almost surely, 2^288066864 is an apocalyptic number.

288066864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

288066864 is an abundant number, since it is smaller than the sum of its proper divisors (465535696).

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

288066864 is a wasteful number, since it uses less digits than its factorization.

288066864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76057 (or 76051 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 288066864 is about 16972.5326336407. The cubic root of 288066864 is about 660.4365523206.

The spelling of 288066864 in words is "two hundred eighty-eight million, sixty-six thousand, eight hundred sixty-four".