86694912 has 132 divisors (see below), whose sum is σ = 261852240. Its totient is φ = 27574272.

The previous prime is 86694901. The next prime is 86694913. The reversal of 86694912 is 21949668.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86694913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211764 + ... + 212172.

Almost surely, 2^86694912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86694912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130926120).

86694912 is an abundant number, since it is smaller than the sum of its proper divisors (175157328).

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

86694912 is a wasteful number, since it uses less digits than its factorization.

86694912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 437 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 86694912 is about 9311.0102566800. The cubic root of 86694912 is about 442.5862017259.

The spelling of 86694912 in words is "eighty-six million, six hundred ninety-four thousand, nine hundred twelve".