990562679 has 8 divisors (see below), whose sum is σ = 1002899040. Its totient is φ = 978285600.

The previous prime is 990562667. The next prime is 990562687. The reversal of 990562679 is 976265099.

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 990562679 - 2²⁰ = 989514103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 990562679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990562609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19289 + ... + 48509.

It is an arithmetic number, because the mean of its divisors is an integer number (125362380).

Almost surely, 2^990562679 is an apocalyptic number.

990562679 is a deficient number, since it is larger than the sum of its proper divisors (12336361).

990562679 is a wasteful number, since it uses less digits than its factorization.

990562679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29641.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 990562679 is about 31473.2057312248. The cubic root of 990562679 is about 996.8442782289.

The spelling of 990562679 in words is "nine hundred ninety million, five hundred sixty-two thousand, six hundred seventy-nine".