64396858 has 16 divisors (see below), whose sum is σ = 101122560. Its totient is φ = 30718800.

The previous prime is 64396841. The next prime is 64396859. The reversal of 64396858 is 85869346.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64396859) 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, 2913 + ... + 11716.

It is an arithmetic number, because the mean of its divisors is an integer number (6320160).

Almost surely, 2^64396858 is an apocalyptic number.

64396858 is a deficient number, since it is larger than the sum of its proper divisors (36725702).

64396858 is a wasteful number, since it uses less digits than its factorization.

64396858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14733.

The product of its digits is 1244160, while the sum is 49.

The square root of 64396858 is about 8024.7652925179. The cubic root of 64396858 is about 400.8250844191.

The spelling of 64396858 in words is "sixty-four million, three hundred ninety-six thousand, eight hundred fifty-eight".