64654396 has 12 divisors (see below), whose sum is σ = 113230152. Its totient is φ = 32302928.

The previous prime is 64654391. The next prime is 64654399. The reversal of 64654396 is 69345646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64654391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786 + ... + 11398.

It is an arithmetic number, because the mean of its divisors is an integer number (9435846).

Almost surely, 2^64654396 is an apocalyptic number.

It is an amenable number.

64654396 is a deficient number, since it is larger than the sum of its proper divisors (48575756).

64654396 is a wasteful number, since it uses less digits than its factorization.

64654396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12140 (or 12138 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

The square root of 64654396 is about 8040.7957317669. The cubic root of 64654396 is about 401.3587045791.

The spelling of 64654396 in words is "sixty-four million, six hundred fifty-four thousand, three hundred ninety-six".