64196894 has 12 divisors (see below), whose sum is σ = 99732984. Its totient is φ = 30990792.

The previous prime is 64196861. The next prime is 64196911. The reversal of 64196894 is 49869146.

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 5 ways as a sum of consecutive naturals, for example, 17402 + ... + 20765.

It is an arithmetic number, because the mean of its divisors is an integer number (8311082).

Almost surely, 2^64196894 is an apocalyptic number.

64196894 is a deficient number, since it is larger than the sum of its proper divisors (35536090).

64196894 is a wasteful number, since it uses less digits than its factorization.

64196894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38227 (or 38198 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 64196894 is about 8012.2964248710. The cubic root of 64196894 is about 400.4097758993.

The spelling of 64196894 in words is "sixty-four million, one hundred ninety-six thousand, eight hundred ninety-four".