852297890 has 32 divisors (see below), whose sum is σ = 1695012480. Its totient is φ = 306913024.

The previous prime is 852297871. The next prime is 852297947. The reversal of 852297890 is 98792258.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105080 + ... + 112899.

It is an arithmetic number, because the mean of its divisors is an integer number (52969140).

Almost surely, 2^852297890 is an apocalyptic number.

852297890 is a deficient number, since it is larger than the sum of its proper divisors (842714590).

852297890 is a wasteful number, since it uses less digits than its factorization.

852297890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218026.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 852297890 is about 29194.1413643217. The cubic root of 852297890 is about 948.1210841023.

The spelling of 852297890 in words is "eight hundred fifty-two million, two hundred ninety-seven thousand, eight hundred ninety".