86644296 has 64 divisors (see below), whose sum is σ = 241555200. Its totient is φ = 28776384.

The previous prime is 86644279. The next prime is 86644297. The reversal of 86644296 is 69244668.

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

It is not an unprimeable number, because it can be changed into a prime (86644297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78726 + ... + 79818.

It is an arithmetic number, because the mean of its divisors is an integer number (3774300).

Almost surely, 2^86644296 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 86644296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120777600).

86644296 is an abundant number, since it is smaller than the sum of its proper divisors (154910904).

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

86644296 is a wasteful number, since it uses less digits than its factorization.

86644296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1465 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 86644296 is about 9308.2917874334. The cubic root of 86644296 is about 442.5000517093.

The spelling of 86644296 in words is "eighty-six million, six hundred forty-four thousand, two hundred ninety-six".