905480 has 16 divisors (see below), whose sum is σ = 2037420. Its totient is φ = 362176.

The previous prime is 905477. The next prime is 905491. The reversal of 905480 is 84509.

It can be written as a sum of positive squares in 2 ways, for example, as 872356 + 33124 = 934^2 + 182^2 .

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, 11279 + ... + 11358.

2⁹⁰⁵⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

905480 is an abundant number, since it is smaller than the sum of its proper divisors (1131940).

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

905480 is a wasteful number, since it uses less digits than its factorization.

905480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22648 (or 22644 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 905480 is about 951.5671284781. The cubic root of 905480 is about 96.7445006634.

Adding to 905480 its reverse (84509), we get a palindrome (989989).

The spelling of 905480 in words is "nine hundred five thousand, four hundred eighty".