999000965 has 8 divisors (see below), whose sum is σ = 1218454008. Its totient is φ = 786098880.

The previous prime is 999000953. The next prime is 999000967. The reversal of 999000965 is 569000999.

It can be written as a sum of positive squares in 4 ways, for example, as 95277121 + 903723844 = 9761^2 + 30062^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 999000965 - 2⁴ = 999000949 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1637402 + ... + 1638011.

It is an arithmetic number, because the mean of its divisors is an integer number (152306751).

Almost surely, 2^999000965 is an apocalyptic number.

It is an amenable number.

999000965 is a deficient number, since it is larger than the sum of its proper divisors (219453043).

999000965 is a wasteful number, since it uses less digits than its factorization.

999000965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275479.

The product of its (nonzero) digits is 196830, while the sum is 47.

The square root of 999000965 is about 31606.9765241790. The cubic root of 999000965 is about 999.6668773750. Note that the first 3 decimals are identical.

The spelling of 999000965 in words is "nine hundred ninety-nine million, nine hundred sixty-five", and thus it is an aban number.