86704836 has 12 divisors (see below), whose sum is σ = 202311312. Its totient is φ = 28901608.

The previous prime is 86704831. The next prime is 86704837. The reversal of 86704836 is 63840768.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (86704831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3612690 + ... + 3612713.

It is an arithmetic number, because the mean of its divisors is an integer number (16859276).

Almost surely, 2^86704836 is an apocalyptic number.

It is an amenable number.

86704836 is an abundant number, since it is smaller than the sum of its proper divisors (115606476).

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

86704836 is a wasteful number, since it uses less digits than its factorization.

86704836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225410 (or 7225408 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 86704836 is about 9311.5431588969. The cubic root of 86704836 is about 442.6030887526.

The spelling of 86704836 in words is "eighty-six million, seven hundred four thousand, eight hundred thirty-six".