857200536 has 32 divisors (see below), whose sum is σ = 2381113200. Its totient is φ = 285733440.

The previous prime is 857200517. The next prime is 857200541. The reversal of 857200536 is 635002758.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 857200536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1984045 + ... + 1984476.

Almost surely, 2^857200536 is an apocalyptic number.

It is an amenable number.

857200536 is an abundant number, since it is smaller than the sum of its proper divisors (1523912664).

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

857200536 is a wasteful number, since it uses less digits than its factorization.

857200536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968536 (or 3968526 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 857200536 is about 29277.9872259006. The cubic root of 857200536 is about 949.9355583250.

The spelling of 857200536 in words is "eight hundred fifty-seven million, two hundred thousand, five hundred thirty-six".