999000963 has 24 divisors (see below), whose sum is σ = 1461532800. Its totient is φ = 657483264.

The previous prime is 999000953. The next prime is 999000967. The reversal of 999000963 is 369000999.

It is not a de Polignac number, because 999000963 - 2⁸ = 999000707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (999000967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416973 + ... + 419361.

It is an arithmetic number, because the mean of its divisors is an integer number (60897200).

Almost surely, 2^999000963 is an apocalyptic number.

999000963 is a deficient number, since it is larger than the sum of its proper divisors (462531837).

999000963 is a wasteful number, since it uses less digits than its factorization.

999000963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The square root of 999000963 is about 31606.9764925404. The cubic root of 999000963 is about 999.6668767079. Note that the first 3 decimals are identical.

The spelling of 999000963 in words is "nine hundred ninety-nine million, nine hundred sixty-three", and thus it is an aban number.