920380 has 24 divisors (see below), whose sum is σ = 2047248. Its totient is φ = 346368.

The previous prime is 920377. The next prime is 920393. The reversal of 920380 is 83029.

920380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (85302).

2⁹²⁰³⁸⁰ is an apocalyptic number.

It is an amenable number.

920380 is an abundant number, since it is smaller than the sum of its proper divisors (1126868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

920380 is a wasteful number, since it uses less digits than its factorization.

920380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 920380 is about 959.3643729053. The cubic root of 920380 is about 97.2722714944.

The spelling of 920380 in words is "nine hundred twenty thousand, three hundred eighty".