239297728 has 28 divisors (see below), whose sum is σ = 479226880. Its totient is φ = 118547712.

The previous prime is 239297713. The next prime is 239297743. The reversal of 239297728 is 827792932.

It is an interprime number because it is at equal distance from previous prime (239297713) and next prime (239297743).

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 3 ways as a sum of consecutive naturals, for example, 10176 + ... + 24127.

Almost surely, 2^239297728 is an apocalyptic number.

It is an amenable number.

239297728 is an abundant number, since it is smaller than the sum of its proper divisors (239929152).

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

239297728 is a wasteful number, since it uses less digits than its factorization.

239297728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34424 (or 34414 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 239297728 is about 15469.2510484509. The cubic root of 239297728 is about 620.8397639000.

The spelling of 239297728 in words is "two hundred thirty-nine million, two hundred ninety-seven thousand, seven hundred twenty-eight".