999000957 has 8 divisors (see below), whose sum is σ = 1364489280. Its totient is φ = 649756640.

The previous prime is 999000953. The next prime is 999000967. The reversal of 999000957 is 759000999.

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

It is a cyclic number.

It is not a de Polignac number, because 999000957 - 2² = 999000953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999000953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4060857 + ... + 4061102.

It is an arithmetic number, because the mean of its divisors is an integer number (170561160).

Almost surely, 2^999000957 is an apocalyptic number.

It is an amenable number.

999000957 is a deficient number, since it is larger than the sum of its proper divisors (365488323).

999000957 is a wasteful number, since it uses less digits than its factorization.

999000957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122003.

The product of its (nonzero) digits is 229635, while the sum is 48.

The square root of 999000957 is about 31606.9763976246. The cubic root of 999000957 is about 999.6668747065. Note that the first 3 decimals are identical.

The spelling of 999000957 in words is "nine hundred ninety-nine million, nine hundred fifty-seven", and thus it is an aban number.