64894268 has 12 divisors (see below), whose sum is σ = 114328200. Its totient is φ = 32229072.

The previous prime is 64894259. The next prime is 64894273. The reversal of 64894268 is 86249846.

It is a super-2 number, since 2×64894268² = 8422532038511648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53846 + ... + 55037.

It is an arithmetic number, because the mean of its divisors is an integer number (9527350).

Almost surely, 2^64894268 is an apocalyptic number.

It is an amenable number.

64894268 is a deficient number, since it is larger than the sum of its proper divisors (49433932).

64894268 is a wasteful number, since it uses less digits than its factorization.

64894268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109036 (or 109034 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 64894268 is about 8055.6978592795. The cubic root of 64894268 is about 401.8544476073.

The spelling of 64894268 in words is "sixty-four million, eight hundred ninety-four thousand, two hundred sixty-eight".