990682973 has 8 divisors (see below), whose sum is σ = 1198809792. Its totient is φ = 799206336.

The previous prime is 990682969. The next prime is 990682981. The reversal of 990682973 is 379286099.

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 990682973 - 2² = 990682969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990682073) 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, 4162415 + ... + 4162652.

It is an arithmetic number, because the mean of its divisors is an integer number (149851224).

Almost surely, 2^990682973 is an apocalyptic number.

It is an amenable number.

990682973 is a deficient number, since it is larger than the sum of its proper divisors (208126819).

990682973 is a wasteful number, since it uses less digits than its factorization.

990682973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8325091.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 990682973 is about 31475.1167273451. The cubic root of 990682973 is about 996.8846288749.

The spelling of 990682973 in words is "nine hundred ninety million, six hundred eighty-two thousand, nine hundred seventy-three".