900849 has 8 divisors (see below), whose sum is σ = 1226880. Its totient is φ = 587696.

The previous prime is 900821. The next prime is 900863. The reversal of 900849 is 948009.

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 900849 - 2⁵ = 900817 is a prime.

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, 3054 + ... + 3335.

It is an arithmetic number, because the mean of its divisors is an integer number (153360).

2⁹⁰⁰⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

900849 is a deficient number, since it is larger than the sum of its proper divisors (326031).

900849 is a wasteful number, since it uses less digits than its factorization.

900849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 900849 is about 949.1306548626. The cubic root of 900849 is about 96.5792881966.

The spelling of 900849 in words is "nine hundred thousand, eight hundred forty-nine".