288625944 has 16 divisors (see below), whose sum is σ = 721564920. Its totient is φ = 96208640.

The previous prime is 288625921. The next prime is 288625957. The reversal of 288625944 is 449526882.

It is a happy number.

It is a super-2 number, since 2×288625944² = 166609871099782272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 288625893 and 288625902.

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, 6013017 + ... + 6013064.

Almost surely, 2^288625944 is an apocalyptic number.

288625944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

288625944 is an abundant number, since it is smaller than the sum of its proper divisors (432938976).

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

288625944 is a wasteful number, since it uses less digits than its factorization.

288625944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12026090 (or 12026086 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 288625944 is about 16988.9947907462. The cubic root of 288625944 is about 660.8635345013.

The spelling of 288625944 in words is "two hundred eighty-eight million, six hundred twenty-five thousand, nine hundred forty-four".