998307001 has 2 divisors, whose sum is σ = 998307002. Its totient is φ = 998307000.

The previous prime is 998306957. The next prime is 998307007. The reversal of 998307001 is 100703899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 845413776 + 152893225 = 29076^2 + 12365^2 .

It is a cyclic number.

It is not a de Polignac number, because 998307001 - 2²⁷ = 864089273 is a prime.

It is a super-2 number, since 2×998307001² = 1993233736491228002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (998307007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499153500 + 499153501.

It is an arithmetic number, because the mean of its divisors is an integer number (499153501).

Almost surely, 2^998307001 is an apocalyptic number.

It is an amenable number.

998307001 is a deficient number, since it is larger than the sum of its proper divisors (1).

998307001 is an equidigital number, since it uses as much as digits as its factorization.

998307001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 998307001 is about 31595.9965976704. The cubic root of 998307001 is about 999.4353482284.

The spelling of 998307001 in words is "nine hundred ninety-eight million, three hundred seven thousand, one".