917491416 has 32 divisors (see below), whose sum is σ = 2294476800. Its totient is φ = 305730720.

The previous prime is 917491391. The next prime is 917491417. The reversal of 917491416 is 614194719.

It is a super-4 number, since 4×917491416⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (917491417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126825 + ... + 133863.

It is an arithmetic number, because the mean of its divisors is an integer number (71702400).

Almost surely, 2^917491416 is an apocalyptic number.

It is an amenable number.

917491416 is an abundant number, since it is smaller than the sum of its proper divisors (1376985384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

917491416 is a wasteful number, since it uses less digits than its factorization.

917491416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12479 (or 12475 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 917491416 is about 30290.1207656886. The cubic root of 917491416 is about 971.7040284999.

The spelling of 917491416 in words is "nine hundred seventeen million, four hundred ninety-one thousand, four hundred sixteen".