990953799 has 8 divisors (see below), whose sum is σ = 1441387392. Its totient is φ = 600578040.

The previous prime is 990953779. The next prime is 990953813. The reversal of 990953799 is 997359099.

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

It is not a de Polignac number, because 990953799 - 2⁷ = 990953671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990953779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15014419 + ... + 15014484.

It is an arithmetic number, because the mean of its divisors is an integer number (180173424).

Almost surely, 2^990953799 is an apocalyptic number.

990953799 is a deficient number, since it is larger than the sum of its proper divisors (450433593).

990953799 is a wasteful number, since it uses less digits than its factorization.

990953799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30028917.

The product of its (nonzero) digits is 6200145, while the sum is 60.

The square root of 990953799 is about 31479.4186572751. The cubic root of 990953799 is about 996.9754610535.

The spelling of 990953799 in words is "nine hundred ninety million, nine hundred fifty-three thousand, seven hundred ninety-nine".