920090 has 8 divisors (see below), whose sum is σ = 1656180. Its totient is φ = 368032.

The previous prime is 920053. The next prime is 920107. The reversal of 920090 is 90029.

It can be written as a sum of positive squares in 2 ways, for example, as 908209 + 11881 = 953^2 + 109^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45995 + ... + 46014.

2⁹²⁰⁰⁹⁰ is an apocalyptic number.

920090 is a deficient number, since it is larger than the sum of its proper divisors (736090).

920090 is a wasteful number, since it uses less digits than its factorization.

920090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92016.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 920090 is about 959.2132192584. The cubic root of 920090 is about 97.2620540038.

The spelling of 920090 in words is "nine hundred twenty thousand, ninety".