252702198 has 96 divisors (see below), whose sum is σ = 646963200. Its totient is φ = 69795648.

The previous prime is 252702181. The next prime is 252702209. The reversal of 252702198 is 891207252.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 527323 + ... + 527801.

It is an arithmetic number, because the mean of its divisors is an integer number (6739200).

Almost surely, 2^252702198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252702198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323481600).

252702198 is an abundant number, since it is smaller than the sum of its proper divisors (394261002).

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

252702198 is a wasteful number, since it uses less digits than its factorization.

252702198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 252702198 is about 15896.6096385361. The cubic root of 252702198 is about 632.2221002095. Note that the first 3 decimals are identical.

The spelling of 252702198 in words is "two hundred fifty-two million, seven hundred two thousand, one hundred ninety-eight".