919924712 has 16 divisors (see below), whose sum is σ = 1971267360. Its totient is φ = 394253424.

The previous prime is 919924711. The next prime is 919924727. The reversal of 919924712 is 217429919.

It is a super-2 number, since 2×919924712² = 1692522951496565888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (919924711) 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 3 ways as a sum of consecutive naturals, for example, 8213558 + ... + 8213669.

It is an arithmetic number, because the mean of its divisors is an integer number (123204210).

Almost surely, 2^919924712 is an apocalyptic number.

It is an amenable number.

919924712 is an abundant number, since it is smaller than the sum of its proper divisors (1051342648).

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

919924712 is a wasteful number, since it uses less digits than its factorization.

919924712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16427240 (or 16427236 counting only the distinct ones).

The product of its digits is 81648, while the sum is 44.

The square root of 919924712 is about 30330.2606648871. The cubic root of 919924712 is about 972.5622949634.

The spelling of 919924712 in words is "nine hundred nineteen million, nine hundred twenty-four thousand, seven hundred twelve".