916392387 has 8 divisors (see below), whose sum is σ = 1224579600. Its totient is φ = 609566720.

The previous prime is 916392359. The next prime is 916392391. The reversal of 916392387 is 783293619.

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

It is a cyclic number.

It is not a de Polignac number, because 916392387 - 2⁸ = 916392131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (916392317) 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, 338814 + ... + 341507.

It is an arithmetic number, because the mean of its divisors is an integer number (153072450).

Almost surely, 2^916392387 is an apocalyptic number.

916392387 is a deficient number, since it is larger than the sum of its proper divisors (308187213).

916392387 is a wasteful number, since it uses less digits than its factorization.

916392387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680773.

The product of its digits is 489888, while the sum is 48.

The square root of 916392387 is about 30271.9736224779. The cubic root of 916392387 is about 971.3158840502.

The spelling of 916392387 in words is "nine hundred sixteen million, three hundred ninety-two thousand, three hundred eighty-seven".