64895894 has 12 divisors (see below), whose sum is σ = 113236884. Its totient is φ = 27812484.

The previous prime is 64895869. The next prime is 64895911. The reversal of 64895894 is 49859846.

It is a happy number.

It is a super-2 number, since 2×64895894² = 8422954116118472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 331004 + ... + 331199.

It is an arithmetic number, because the mean of its divisors is an integer number (9436407).

Almost surely, 2^64895894 is an apocalyptic number.

64895894 is a deficient number, since it is larger than the sum of its proper divisors (48340990).

64895894 is a wasteful number, since it uses less digits than its factorization.

64895894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662219 (or 662212 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 64895894 is about 8055.7987810024. The cubic root of 64895894 is about 401.8578038866.

The spelling of 64895894 in words is "sixty-four million, eight hundred ninety-five thousand, eight hundred ninety-four".