64938308 has 12 divisors (see below), whose sum is σ = 117560940. Its totient is φ = 31349472.

The previous prime is 64938271. The next prime is 64938311. The reversal of 64938308 is 80383946.

It can be written as a sum of positive squares in 2 ways, for example, as 26399044 + 38539264 = 5138^2 + 6208^2 .

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, 279791 + ... + 280022.

It is an arithmetic number, because the mean of its divisors is an integer number (9796745).

Almost surely, 2^64938308 is an apocalyptic number.

It is an amenable number.

64938308 is a deficient number, since it is larger than the sum of its proper divisors (52622632).

64938308 is a wasteful number, since it uses less digits than its factorization.

64938308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559846 (or 559844 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 64938308 is about 8058.4308646287. The cubic root of 64938308 is about 401.9453322029.

The spelling of 64938308 in words is "sixty-four million, nine hundred thirty-eight thousand, three hundred eight".