86324644 has 12 divisors (see below), whose sum is σ = 172649344. Its totient is φ = 36996264.

The previous prime is 86324633. The next prime is 86324647. The reversal of 86324644 is 44642368.

86324644 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (86324647) 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, 1541484 + ... + 1541539.

Almost surely, 2^86324644 is an apocalyptic number.

It is an amenable number.

86324644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86324644 is a wasteful number, since it uses less digits than its factorization.

86324644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083034 (or 3083032 counting only the distinct ones).

The product of its digits is 110592, while the sum is 37.

The square root of 86324644 is about 9291.1056392660. The cubic root of 86324644 is about 441.9552175099.

It can be divided in two parts, 86324 and 644, that added together give a palindrome (86968).

The spelling of 86324644 in words is "eighty-six million, three hundred twenty-four thousand, six hundred forty-four".