85684124 has 12 divisors (see below), whose sum is σ = 154784448. Its totient is φ = 41460000.

The previous prime is 85684117. The next prime is 85684139. The reversal of 85684124 is 42148658.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345377 + ... + 345624.

It is an arithmetic number, because the mean of its divisors is an integer number (12898704).

Almost surely, 2^85684124 is an apocalyptic number.

It is an amenable number.

85684124 is a deficient number, since it is larger than the sum of its proper divisors (69100324).

85684124 is a wasteful number, since it uses less digits than its factorization.

85684124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691036 (or 691034 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 85684124 is about 9256.5719356574. The cubic root of 85684124 is about 440.8594153241.

The spelling of 85684124 in words is "eighty-five million, six hundred eighty-four thousand, one hundred twenty-four".