85631346 has 60 divisors (see below), whose sum is σ = 205377822. Its totient is φ = 25696704.

The previous prime is 85631327. The next prime is 85631353. The reversal of 85631346 is 64313658.

It can be written as a sum of positive squares in only one way, i.e., 62964225 + 22667121 = 7935^2 + 4761^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (51840) is a multiple of the sum of its prime divisors (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85631346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3723091 + ... + 3723113.

Almost surely, 2^85631346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85631346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102688911).

85631346 is an abundant number, since it is smaller than the sum of its proper divisors (119746476).

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

85631346 is an equidigital number, since it uses as much as digits as its factorization.

85631346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 45 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 85631346 is about 9253.7206571195. The cubic root of 85631346 is about 440.7688794656.

The spelling of 85631346 in words is "eighty-five million, six hundred thirty-one thousand, three hundred forty-six".