288839425 has 24 divisors (see below), whose sum is σ = 430875200. Its totient is φ = 187634880.

The previous prime is 288839407. The next prime is 288839477. The reversal of 288839425 is 524938882.

It is a happy number.

It is not a de Polignac number, because 288839425 - 2¹⁵ = 288806657 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 40110 + ... + 46759.

Almost surely, 2^288839425 is an apocalyptic number.

288839425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

288839425 is a deficient number, since it is larger than the sum of its proper divisors (142035775).

288839425 is a wasteful number, since it uses less digits than its factorization.

288839425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86905 (or 86900 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The square root of 288839425 is about 16995.2765496770. The cubic root of 288839425 is about 661.0264293506.

The spelling of 288839425 in words is "two hundred eighty-eight million, eight hundred thirty-nine thousand, four hundred twenty-five".