999382013 has 16 divisors (see below), whose sum is σ = 1160054784. Its totient is φ = 843223920.

The previous prime is 999382003. The next prime is 999382031. The reversal of 999382013 is 310283999.

It is not a de Polignac number, because 999382013 - 2⁴ = 999381997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999382003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439706 + ... + 441972.

It is an arithmetic number, because the mean of its divisors is an integer number (72503424).

Almost surely, 2^999382013 is an apocalyptic number.

It is an amenable number.

999382013 is a deficient number, since it is larger than the sum of its proper divisors (160672771).

999382013 is a wasteful number, since it uses less digits than its factorization.

999382013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 999382013 is about 31613.0038591716. The cubic root of 999382013 is about 999.7939618845.

The spelling of 999382013 in words is "nine hundred ninety-nine million, three hundred eighty-two thousand, thirteen".