999413384 has 16 divisors (see below), whose sum is σ = 1891414800. Its totient is φ = 495036112.

The previous prime is 999413381. The next prime is 999413431. The reversal of 999413384 is 483314999.

999413384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×999413384² = 1997654224236662912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (999413381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582914 + ... + 584625.

It is an arithmetic number, because the mean of its divisors is an integer number (118213425).

Almost surely, 2^999413384 is an apocalyptic number.

It is an amenable number.

999413384 is a deficient number, since it is larger than the sum of its proper divisors (892001416).

999413384 is a wasteful number, since it uses less digits than its factorization.

999413384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167652 (or 1167648 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 999413384 is about 31613.5000276780. The cubic root of 999413384 is about 999.8044230855.

The spelling of 999413384 in words is "nine hundred ninety-nine million, four hundred thirteen thousand, three hundred eighty-four".