900879 has 8 divisors (see below), whose sum is σ = 1372800. Its totient is φ = 514776.

The previous prime is 900869. The next prime is 900917. The reversal of 900879 is 978009.

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

It is not a de Polignac number, because 900879 - 2⁴ = 900863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900869) 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, 21429 + ... + 21470.

It is an arithmetic number, because the mean of its divisors is an integer number (171600).

2⁹⁰⁰⁸⁷⁹ is an apocalyptic number.

900879 is a deficient number, since it is larger than the sum of its proper divisors (471921).

900879 is a wasteful number, since it uses less digits than its factorization.

900879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42909.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 900879 is about 949.1464586669. The cubic root of 900879 is about 96.5803602765.

The spelling of 900879 in words is "nine hundred thousand, eight hundred seventy-nine".