288832426 has 4 divisors (see below), whose sum is σ = 433248642. Its totient is φ = 144416212.

The previous prime is 288832393. The next prime is 288832441. The reversal of 288832426 is 624238882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 288830025 + 2401 = 16995^2 + 49^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72208105 + ... + 72208108.

Almost surely, 2^288832426 is an apocalyptic number.

288832426 is a deficient number, since it is larger than the sum of its proper divisors (144416216).

288832426 is a wasteful number, since it uses less digits than its factorization.

288832426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144416215.

The product of its digits is 294912, while the sum is 43.

The square root of 288832426 is about 16995.0706382763. The cubic root of 288832426 is about 661.0210900964.

The spelling of 288832426 in words is "two hundred eighty-eight million, eight hundred thirty-two thousand, four hundred twenty-six".