852405198 has 16 divisors (see below), whose sum is σ = 1705478016. Its totient is φ = 284023800.

The previous prime is 852405193. The next prime is 852405259. The reversal of 852405198 is 891504258.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852405193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10378 + ... + 42573.

It is an arithmetic number, because the mean of its divisors is an integer number (106592376).

Almost surely, 2^852405198 is an apocalyptic number.

852405198 is an abundant number, since it is smaller than the sum of its proper divisors (853072818).

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

852405198 is a wasteful number, since it uses less digits than its factorization.

852405198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55639.

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 852405198 is about 29195.9791409708. The cubic root of 852405198 is about 948.1608732844.

The spelling of 852405198 in words is "eight hundred fifty-two million, four hundred five thousand, one hundred ninety-eight".