916744091 has 8 divisors (see below), whose sum is σ = 1021758480. Its totient is φ = 817406208.

The previous prime is 916744069. The next prime is 916744109. The reversal of 916744091 is 190447619.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-916744091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (916744061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418786 + ... + 1419431.

It is an arithmetic number, because the mean of its divisors is an integer number (127719810).

Almost surely, 2^916744091 is an apocalyptic number.

916744091 is a deficient number, since it is larger than the sum of its proper divisors (105014389).

916744091 is a wasteful number, since it uses less digits than its factorization.

916744091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838253.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 916744091 is about 30277.7821347601. The cubic root of 916744091 is about 971.4401292217.

The spelling of 916744091 in words is "nine hundred sixteen million, seven hundred forty-four thousand, ninety-one".