288422604 has 18 divisors (see below), whose sum is σ = 729068340. Its totient is φ = 96140856.

The previous prime is 288422587. The next prime is 288422627. The reversal of 288422604 is 406224882.

It is a happy number.

288422604 is a `hidden beast` number, since 2 + 8 + 8 + 42 + 2 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 8011739 = 288422604 / (2 + 8 + 8 + 4 + 2 + 2 + 6 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4005834 + ... + 4005905.

Almost surely, 2^288422604 is an apocalyptic number.

It is an amenable number.

288422604 is an abundant number, since it is smaller than the sum of its proper divisors (440645736).

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

288422604 is a wasteful number, since it uses less digits than its factorization.

288422604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8011749 (or 8011744 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 288422604 is about 16983.0092739773. The cubic root of 288422604 is about 660.7083029479.

The spelling of 288422604 in words is "two hundred eighty-eight million, four hundred twenty-two thousand, six hundred four".