916985371 has 2 divisors, whose sum is σ = 916985372. Its totient is φ = 916985370.

The previous prime is 916985359. The next prime is 916985431. The reversal of 916985371 is 173589619.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 916985371 - 2¹¹ = 916983323 is a prime.

It is not a weakly prime, because it can be changed into another prime (916985471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458492685 + 458492686.

It is an arithmetic number, because the mean of its divisors is an integer number (458492686).

Almost surely, 2^916985371 is an apocalyptic number.

916985371 is a deficient number, since it is larger than the sum of its proper divisors (1).

916985371 is an equidigital number, since it uses as much as digits as its factorization.

916985371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 49.

The square root of 916985371 is about 30281.7663124198. The cubic root of 916985371 is about 971.5253469383.

The spelling of 916985371 in words is "nine hundred sixteen million, nine hundred eighty-five thousand, three hundred seventy-one".