64213038 has 24 divisors (see below), whose sum is σ = 139339200. Its totient is φ = 21371904.

The previous prime is 64213013. The next prime is 64213043. The reversal of 64213038 is 83031246.

It is a happy number.

64213038 is a `hidden beast` number, since 642 + 13 + 0 + 3 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11523 + ... + 16161.

It is an arithmetic number, because the mean of its divisors is an integer number (5805800).

Almost surely, 2^64213038 is an apocalyptic number.

64213038 is an abundant number, since it is smaller than the sum of its proper divisors (75126162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64213038 is a wasteful number, since it uses less digits than its factorization.

64213038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416 (or 5413 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 64213038 is about 8013.3038130349. The cubic root of 64213038 is about 400.4433376145.

The spelling of 64213038 in words is "sixty-four million, two hundred thirteen thousand, thirty-eight".