990207713 has 16 divisors (see below), whose sum is σ = 1088439552. Its totient is φ = 893376000.

The previous prime is 990207709. The next prime is 990207731. The reversal of 990207713 is 317702099.

It is not a de Polignac number, because 990207713 - 2² = 990207709 is a prime.

It is a super-2 number, since 2×990207713² = 1961022629769380738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990207733) 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, 1051823 + ... + 1052763.

It is an arithmetic number, because the mean of its divisors is an integer number (68027472).

Almost surely, 2^990207713 is an apocalyptic number.

It is an amenable number.

990207713 is a deficient number, since it is larger than the sum of its proper divisors (98231839).

990207713 is a wasteful number, since it uses less digits than its factorization.

990207713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 990207713 is about 31467.5660482345. The cubic root of 990207713 is about 996.7251916705.

The spelling of 990207713 in words is "nine hundred ninety million, two hundred seven thousand, seven hundred thirteen".