999479519 has 8 divisors (see below), whose sum is σ = 1034298720. Its totient is φ = 964684000.

The previous prime is 999479501. The next prime is 999479531. The reversal of 999479519 is 915974999.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 999479519 - 2¹⁶ = 999413983 is a prime.

It is a super-2 number, since 2×999479519² = 1997918617800942722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999479219) 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 7 ways as a sum of consecutive naturals, for example, 149294 + ... + 155844.

It is an arithmetic number, because the mean of its divisors is an integer number (129287340).

Almost surely, 2^999479519 is an apocalyptic number.

999479519 is a deficient number, since it is larger than the sum of its proper divisors (34819201).

999479519 is a wasteful number, since it uses less digits than its factorization.

999479519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11841.

The product of its digits is 8266860, while the sum is 62.

The square root of 999479519 is about 31614.5460033827. The cubic root of 999479519 is about 999.8264762246.

The spelling of 999479519 in words is "nine hundred ninety-nine million, four hundred seventy-nine thousand, five hundred nineteen".