288628892 has 12 divisors (see below), whose sum is σ = 506457336. Its totient is φ = 143926800.

The previous prime is 288628871. The next prime is 288628903. The reversal of 288628892 is 298826882.

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, 95234 + ... + 98217.

It is an arithmetic number, because the mean of its divisors is an integer number (42204778).

Almost surely, 2^288628892 is an apocalyptic number.

It is an amenable number.

288628892 is a deficient number, since it is larger than the sum of its proper divisors (217828444).

288628892 is a wasteful number, since it uses less digits than its factorization.

288628892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193828 (or 193826 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 53.

The square root of 288628892 is about 16989.0815525737. The cubic root of 288628892 is about 660.8657844943.

The spelling of 288628892 in words is "two hundred eighty-eight million, six hundred twenty-eight thousand, eight hundred ninety-two".