916140297 has 8 divisors (see below), whose sum is σ = 1226632320. Its totient is φ = 608204240.

The previous prime is 916140289. The next prime is 916140299. The reversal of 916140297 is 792041619.

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 916140297 - 2³ = 916140289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (916140299) 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, 638154 + ... + 639587.

It is an arithmetic number, because the mean of its divisors is an integer number (153329040).

Almost surely, 2^916140297 is an apocalyptic number.

It is an amenable number.

916140297 is a deficient number, since it is larger than the sum of its proper divisors (310492023).

916140297 is a wasteful number, since it uses less digits than its factorization.

916140297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277983.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 916140297 is about 30267.8095837806. The cubic root of 916140297 is about 971.2268095879.

The spelling of 916140297 in words is "nine hundred sixteen million, one hundred forty thousand, two hundred ninety-seven".