85604636 has 24 divisors (see below), whose sum is σ = 166897920. Its totient is φ = 38146752.

The previous prime is 85604611. The next prime is 85604641. The reversal of 85604636 is 63640658.

It is a self number, because there is not a number n which added to its sum of digits gives 85604636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26876 + ... + 29891.

It is an arithmetic number, because the mean of its divisors is an integer number (6954080).

Almost surely, 2^85604636 is an apocalyptic number.

It is an amenable number.

85604636 is a deficient number, since it is larger than the sum of its proper divisors (81293284).

85604636 is a wasteful number, since it uses less digits than its factorization.

85604636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56813 (or 56811 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 85604636 is about 9252.2773412820. The cubic root of 85604636 is about 440.7230467124.

The spelling of 85604636 in words is "eighty-five million, six hundred four thousand, six hundred thirty-six".