252728830 has 16 divisors (see below), whose sum is σ = 474691104. Its totient is φ = 96696160.

The previous prime is 252728813. The next prime is 252728843. The reversal of 252728830 is 38827252.

It is a self number, because there is not a number n which added to its sum of digits gives 252728830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549181 + ... + 549640.

It is an arithmetic number, because the mean of its divisors is an integer number (29668194).

Almost surely, 2^252728830 is an apocalyptic number.

252728830 is a deficient number, since it is larger than the sum of its proper divisors (221962274).

252728830 is a wasteful number, since it uses less digits than its factorization.

252728830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098851.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 252728830 is about 15897.4472793590. The cubic root of 252728830 is about 632.2443091543.

The spelling of 252728830 in words is "two hundred fifty-two million, seven hundred twenty-eight thousand, eight hundred thirty".