64634086 has 24 divisors (see below), whose sum is σ = 112182840. Its totient is φ = 27830880.

The previous prime is 64634047. The next prime is 64634093. The reversal of 64634086 is 68043646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2431 + ... + 11626.

It is an arithmetic number, because the mean of its divisors is an integer number (4674285).

Almost surely, 2^64634086 is an apocalyptic number.

64634086 is a deficient number, since it is larger than the sum of its proper divisors (47548754).

64634086 is a wasteful number, since it uses less digits than its factorization.

64634086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14100 (or 14089 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 64634086 is about 8039.5326978625. The cubic root of 64634086 is about 401.3166736706.

The spelling of 64634086 in words is "sixty-four million, six hundred thirty-four thousand, eighty-six".