64086684 has 24 divisors (see below), whose sum is σ = 153014400. Its totient is φ = 20865264.

The previous prime is 64086679. The next prime is 64086689. The reversal of 64086684 is 48668046.

It is an interprime number because it is at equal distance from previous prime (64086679) and next prime (64086689).

It is a super-2 number, since 2×64086684² = 8214206132231712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64086689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61584 + ... + 62615.

It is an arithmetic number, because the mean of its divisors is an integer number (6375600).

Almost surely, 2^64086684 is an apocalyptic number.

It is an amenable number.

64086684 is an abundant number, since it is smaller than the sum of its proper divisors (88927716).

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

64086684 is a wasteful number, since it uses less digits than its factorization.

64086684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124249 (or 124247 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 64086684 is about 8005.4159167404. The cubic root of 64086684 is about 400.1805101946.

The spelling of 64086684 in words is "sixty-four million, eighty-six thousand, six hundred eighty-four".