938974663 has 8 divisors (see below), whose sum is σ = 1026003600. Its totient is φ = 852223680.

The previous prime is 938974657. The next prime is 938974681. The reversal of 938974663 is 366479839.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-938974663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938974613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62388 + ... + 75961.

It is an arithmetic number, because the mean of its divisors is an integer number (128250450).

Almost surely, 2^938974663 is an apocalyptic number.

938974663 is a deficient number, since it is larger than the sum of its proper divisors (87028937).

938974663 is a wasteful number, since it uses less digits than its factorization.

938974663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138977.

The product of its digits is 5878656, while the sum is 55.

The square root of 938974663 is about 30642.6934684273. The cubic root of 938974663 is about 979.2298068361.

The spelling of 938974663 in words is "nine hundred thirty-eight million, nine hundred seventy-four thousand, six hundred sixty-three".