900380 has 24 divisors (see below), whose sum is σ = 2036832. Its totient is φ = 332352.

The previous prime is 900349. The next prime is 900397. The reversal of 900380 is 83009.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 900380.

It is an unprimeable number.

900380 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1472 + ... + 1991.

It is an arithmetic number, because the mean of its divisors is an integer number (84868).

2⁹⁰⁰³⁸⁰ is an apocalyptic number.

It is an amenable number.

900380 is an abundant number, since it is smaller than the sum of its proper divisors (1136452).

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

900380 is a wasteful number, since it uses less digits than its factorization.

900380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 900380 is about 948.8835544997. The cubic root of 900380 is about 96.5625249177.

Adding to 900380 its reverse (83009), we get a palindrome (983389).

The spelling of 900380 in words is "nine hundred thousand, three hundred eighty".