999338079 has 8 divisors (see below), whose sum is σ = 1402579840. Its totient is φ = 631160856.

The previous prime is 999338027. The next prime is 999338101. The reversal of 999338079 is 970833999.

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

It is not a de Polignac number, because 999338079 - 2⁷ = 999337951 is a prime.

It is a super-2 number, since 2×999338079² = 1997353192278820482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 17532247 = 999338079 / (9 + 9 + 9 + 3 + 3 + 8 + 0 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999338009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8766067 + ... + 8766180.

It is an arithmetic number, because the mean of its divisors is an integer number (175322480).

Almost surely, 2^999338079 is an apocalyptic number.

999338079 is a deficient number, since it is larger than the sum of its proper divisors (403241761).

999338079 is a wasteful number, since it uses less digits than its factorization.

999338079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17532269.

The product of its (nonzero) digits is 3306744, while the sum is 57.

The square root of 999338079 is about 31612.3089792568. The cubic root of 999338079 is about 999.7793109666.

The spelling of 999338079 in words is "nine hundred ninety-nine million, three hundred thirty-eight thousand, seventy-nine".