998610963 has 16 divisors (see below), whose sum is σ = 1531910400. Its totient is φ = 566803296.

The previous prime is 998610961. The next prime is 998610979. The reversal of 998610963 is 369016899.

It is not a de Polignac number, because 998610963 - 2¹ = 998610961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (998610961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156445 + ... + 162702.

It is an arithmetic number, because the mean of its divisors is an integer number (95744400).

Almost surely, 2^998610963 is an apocalyptic number.

998610963 is a deficient number, since it is larger than the sum of its proper divisors (533299437).

998610963 is a wasteful number, since it uses less digits than its factorization.

998610963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319306.

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 998610963 is about 31600.8063662939. The cubic root of 998610963 is about 999.5367731207.

The spelling of 998610963 in words is "nine hundred ninety-eight million, six hundred ten thousand, nine hundred sixty-three".