997002998 has 16 divisors (see below), whose sum is σ = 1577400000. Its totient is φ = 471309192.

The previous prime is 997002943. The next prime is 997003043. The reversal of 997002998 is 899200799.

It is a Cunningham number, because it is equal to 999³-1.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7328 + ... + 45251.

It is an arithmetic number, because the mean of its divisors is an integer number (98587500).

Almost surely, 2^997002998 is an apocalyptic number.

997002998 is a deficient number, since it is larger than the sum of its proper divisors (580397002).

997002998 is a wasteful number, since it uses less digits than its factorization.

997002998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53099.

The product of its (nonzero) digits is 734832, while the sum is 53.

The square root of 997002998 is about 31575.3542814645. The cubic root of 997002998 is about 998.9999996660. Note that the first 6 decimals are identical.

The spelling of 997002998 in words is "nine hundred ninety-seven million, two thousand, nine hundred ninety-eight".