900853 has 4 divisors (see below), whose sum is σ = 902880. Its totient is φ = 898828.

The previous prime is 900821. The next prime is 900863. The reversal of 900853 is 358009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 358009 = 61 ⋅5869.

It is a cyclic number.

It is not a de Polignac number, because 900853 - 2⁵ = 900821 is a prime.

It is a super-2 number, since 2×900853² = 1623072255218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25 + ... + 1342.

It is an arithmetic number, because the mean of its divisors is an integer number (225720).

2⁹⁰⁰⁸⁵³ is an apocalyptic number.

It is an amenable number.

900853 is a deficient number, since it is larger than the sum of its proper divisors (2027).

900853 is a wasteful number, since it uses less digits than its factorization.

900853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 900853 is about 949.1327620518. The cubic root of 900853 is about 96.5794311419.

The spelling of 900853 in words is "nine hundred thousand, eight hundred fifty-three".