938490064 has 10 divisors (see below), whose sum is σ = 1818324530. Its totient is φ = 469245024.

The previous prime is 938490037. The next prime is 938490079. The reversal of 938490064 is 460094839.

938490064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 932691600 + 5798464 = 30540^2 + 2408^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 938490064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29327799 + ... + 29327830.

It is an arithmetic number, because the mean of its divisors is an integer number (181832453).

Almost surely, 2^938490064 is an apocalyptic number.

It is an amenable number.

938490064 is a deficient number, since it is larger than the sum of its proper divisors (879834466).

938490064 is a wasteful number, since it uses less digits than its factorization.

938490064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58655637 (or 58655631 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 938490064 is about 30634.7851959174. The cubic root of 938490064 is about 979.0613197044.

The spelling of 938490064 in words is "nine hundred thirty-eight million, four hundred ninety thousand, sixty-four".