996498631 has 2 divisors, whose sum is σ = 996498632. Its totient is φ = 996498630.

The previous prime is 996498619. The next prime is 996498637. The reversal of 996498631 is 136894699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 996498631 - 2⁹ = 996498119 is a prime.

It is a super-2 number, since 2×996498631² = 1986019043169748322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996498637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498249315 + 498249316.

It is an arithmetic number, because the mean of its divisors is an integer number (498249316).

Almost surely, 2^996498631 is an apocalyptic number.

996498631 is a deficient number, since it is larger than the sum of its proper divisors (1).

996498631 is an equidigital number, since it uses as much as digits as its factorization.

996498631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 55.

The square root of 996498631 is about 31567.3665515513. The cubic root of 996498631 is about 998.8315121680.

The spelling of 996498631 in words is "nine hundred ninety-six million, four hundred ninety-eight thousand, six hundred thirty-one".