916409912 has 32 divisors (see below), whose sum is σ = 1875899520. Its totient is φ = 416233440.

The previous prime is 916409887. The next prime is 916409917. The reversal of 916409912 is 219904619.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 916409912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916409917) 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, 143573 + ... + 149819.

It is an arithmetic number, because the mean of its divisors is an integer number (58621860).

Almost surely, 2^916409912 is an apocalyptic number.

It is an amenable number.

916409912 is an abundant number, since it is smaller than the sum of its proper divisors (959489608).

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

916409912 is a wasteful number, since it uses less digits than its factorization.

916409912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931 (or 7927 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 916409912 is about 30272.2630802522. The cubic root of 916409912 is about 971.3220757946.

The spelling of 916409912 in words is "nine hundred sixteen million, four hundred nine thousand, nine hundred twelve".