288672392 has 12 divisors (see below), whose sum is σ = 541350855. Its totient is φ = 144312168.

The previous prime is 288672367. The next prime is 288672401. The reversal of 288672392 is 293276882.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 144336196 + 144336196 = 12014^2 + 12014^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=12014.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 45053 + ... + 51059.

Almost surely, 2^288672392 is an apocalyptic number.

It is an amenable number.

288672392 is a deficient number, since it is larger than the sum of its proper divisors (252678463).

288672392 is an frugal number, since it uses more digits than its factorization.

288672392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020 (or 6009 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 288672392 is about 16990.3617383504. The cubic root of 288672392 is about 660.8989830852.

The spelling of 288672392 in words is "two hundred eighty-eight million, six hundred seventy-two thousand, three hundred ninety-two".