916617393 has 12 divisors (see below), whose sum is σ = 1366713088. Its totient is φ = 591365880.

The previous prime is 916617379. The next prime is 916617397. The reversal of 916617393 is 393716619.

916617393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 916617393 - 2⁹ = 916616881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (916617397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1642405 + ... + 1642962.

Almost surely, 2^916617393 is an apocalyptic number.

916617393 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

916617393 is a deficient number, since it is larger than the sum of its proper divisors (450095695).

916617393 is a wasteful number, since it uses less digits than its factorization.

916617393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285404 (or 3285401 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 916617393 is about 30275.6898022159. The cubic root of 916617393 is about 971.3953747502.

The spelling of 916617393 in words is "nine hundred sixteen million, six hundred seventeen thousand, three hundred ninety-three".