998932001 has 2 divisors, whose sum is σ = 998932002. Its totient is φ = 998932000.

The previous prime is 998931949. The next prime is 998932027. The reversal of 998932001 is 100239899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 601966225 + 396965776 = 24535^2 + 19924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998932001 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 998932001.

It is not a weakly prime, because it can be changed into another prime (998932601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499466000 + 499466001.

It is an arithmetic number, because the mean of its divisors is an integer number (499466001).

Almost surely, 2^998932001 is an apocalyptic number.

It is an amenable number.

998932001 is a deficient number, since it is larger than the sum of its proper divisors (1).

998932001 is an equidigital number, since it uses as much as digits as its factorization.

998932001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 998932001 is about 31605.8855436768. The cubic root of 998932001 is about 999.6438735223.

The spelling of 998932001 in words is "nine hundred ninety-eight million, nine hundred thirty-two thousand, one".