64286886 has 32 divisors (see below), whose sum is σ = 134830080. Its totient is φ = 20395584.

The previous prime is 64286869. The next prime is 64286897. The reversal of 64286886 is 68868246.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29730 + ... + 31818.

It is an arithmetic number, because the mean of its divisors is an integer number (4213440).

Almost surely, 2^64286886 is an apocalyptic number.

64286886 is an abundant number, since it is smaller than the sum of its proper divisors (70543194).

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

64286886 is a wasteful number, since it uses less digits than its factorization.

64286886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340.

The product of its digits is 884736, while the sum is 48.

The square root of 64286886 is about 8017.9103262633. The cubic root of 64286886 is about 400.5967883331.

The spelling of 64286886 in words is "sixty-four million, two hundred eighty-six thousand, eight hundred eighty-six".