916844331 has 16 divisors (see below), whose sum is σ = 1373734656. Its totient is φ = 539680416.

The previous prime is 916844329. The next prime is 916844339. The reversal of 916844331 is 133448619.

It is not a de Polignac number, because 916844331 - 2¹ = 916844329 is a prime.

It is a super-2 number, since 2×916844331² = 1681207054573675122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 916844331.

It is not an unprimeable number, because it can be changed into a prime (916844339) 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 15 ways as a sum of consecutive naturals, for example, 510165 + ... + 511958.

It is an arithmetic number, because the mean of its divisors is an integer number (85858416).

Almost surely, 2^916844331 is an apocalyptic number.

916844331 is a deficient number, since it is larger than the sum of its proper divisors (456890325).

916844331 is a wasteful number, since it uses less digits than its factorization.

916844331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022162.

The product of its digits is 62208, while the sum is 39.

The square root of 916844331 is about 30279.4374287238. The cubic root of 916844331 is about 971.4755348166.

The spelling of 916844331 in words is "nine hundred sixteen million, eight hundred forty-four thousand, three hundred thirty-one".