64368238 has 16 divisors (see below), whose sum is σ = 110874240. Its totient is φ = 27718200.

The previous prime is 64368229. The next prime is 64368253. The reversal of 64368238 is 83286346.

It is a self number, because there is not a number n which added to its sum of digits gives 64368238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76578 + ... + 77413.

It is an arithmetic number, because the mean of its divisors is an integer number (6929640).

Almost surely, 2^64368238 is an apocalyptic number.

64368238 is a deficient number, since it is larger than the sum of its proper divisors (46506002).

64368238 is a wasteful number, since it uses less digits than its factorization.

64368238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154023.

The product of its digits is 165888, while the sum is 40.

The square root of 64368238 is about 8022.9818646187. The cubic root of 64368238 is about 400.7656958395.

The spelling of 64368238 in words is "sixty-four million, three hundred sixty-eight thousand, two hundred thirty-eight".