85736646 has 24 divisors (see below), whose sum is σ = 188117280. Its totient is φ = 28216656.

The previous prime is 85736611. The next prime is 85736657. The reversal of 85736646 is 64663758.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 28725 + ... + 31568.

It is an arithmetic number, because the mean of its divisors is an integer number (7838220).

Almost surely, 2^85736646 is an apocalyptic number.

85736646 is an abundant number, since it is smaller than the sum of its proper divisors (102380634).

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

85736646 is a wasteful number, since it uses less digits than its factorization.

85736646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60380 (or 60377 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 85736646 is about 9259.4085124267. The cubic root of 85736646 is about 440.9494751378.

The spelling of 85736646 in words is "eighty-five million, seven hundred thirty-six thousand, six hundred forty-six".