252790776 has 96 divisors (see below), whose sum is σ = 792005760. Its totient is φ = 71343936.

The previous prime is 252790753. The next prime is 252790819. The reversal of 252790776 is 677097252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38811 + ... + 44853.

It is an arithmetic number, because the mean of its divisors is an integer number (8250060).

Almost surely, 2^252790776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252790776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396002880).

252790776 is an abundant number, since it is smaller than the sum of its proper divisors (539214984).

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

252790776 is a wasteful number, since it uses less digits than its factorization.

252790776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145 (or 6138 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 252790776 is about 15899.3954602054. The cubic root of 252790776 is about 632.2959610988.

The spelling of 252790776 in words is "two hundred fifty-two million, seven hundred ninety thousand, seven hundred seventy-six".