85898052 has 18 divisors (see below), whose sum is σ = 217131278. Its totient is φ = 28632672.

The previous prime is 85898027. The next prime is 85898063. The reversal of 85898052 is 25089858.

It can be written as a sum of positive squares in only one way, i.e., 68459076 + 17438976 = 8274^2 + 4176^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 85897989 and 85898007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1192993 + ... + 1193064.

Almost surely, 2^85898052 is an apocalyptic number.

It is an amenable number.

85898052 is an abundant number, since it is smaller than the sum of its proper divisors (131233226).

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

85898052 is a wasteful number, since it uses less digits than its factorization.

85898052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386067 (or 2386062 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The square root of 85898052 is about 9268.1201977532. The cubic root of 85898052 is about 441.2260090694.

It can be divided in two parts, 8589 and 8052, that added together give a square (16641 = 129²).

The spelling of 85898052 in words is "eighty-five million, eight hundred ninety-eight thousand, fifty-two".