916868938 has 8 divisors (see below), whose sum is σ = 1385342532. Its totient is φ = 455088096.

The previous prime is 916868899. The next prime is 916868963. The reversal of 916868938 is 839868619.

It can be written as a sum of positive squares in 2 ways, for example, as 892396129 + 24472809 = 29873^2 + 4947^2 .

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

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, 1672845 + ... + 1673392.

Almost surely, 2^916868938 is an apocalyptic number.

916868938 is a deficient number, since it is larger than the sum of its proper divisors (468473594).

916868938 is a wasteful number, since it uses less digits than its factorization.

916868938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346376.

The product of its digits is 4478976, while the sum is 58.

The square root of 916868938 is about 30279.8437578532. The cubic root of 916868938 is about 971.4842258174.

The spelling of 916868938 in words is "nine hundred sixteen million, eight hundred sixty-eight thousand, nine hundred thirty-eight".