85646898 has 24 divisors (see below), whose sum is σ = 186803136. Its totient is φ = 28359000.

The previous prime is 85646879. The next prime is 85646903. The reversal of 85646898 is 89864658.

It is a happy number.

It is a super-2 number, since 2×85646898² = 14670782274044808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13038 + ... + 18473.

It is an arithmetic number, because the mean of its divisors is an integer number (7783464).

Almost surely, 2^85646898 is an apocalyptic number.

85646898 is an abundant number, since it is smaller than the sum of its proper divisors (101156238).

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

85646898 is a wasteful number, since it uses less digits than its factorization.

85646898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31670 (or 31667 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 85646898 is about 9254.5609296174. The cubic root of 85646898 is about 440.7955613720.

The spelling of 85646898 in words is "eighty-five million, six hundred forty-six thousand, eight hundred ninety-eight".