485430990 has 64 divisors (see below), whose sum is σ = 1274268672. Its totient is φ = 117372800.

The previous prime is 485430949. The next prime is 485431007. The reversal of 485430990 is 99034584.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140524 + ... + 143936.

It is an arithmetic number, because the mean of its divisors is an integer number (19910448).

Almost surely, 2^485430990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485430990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637134336).

485430990 is an abundant number, since it is smaller than the sum of its proper divisors (788837682).

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

485430990 is a wasteful number, since it uses less digits than its factorization.

485430990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 485430990 is about 22032.4984965392. The cubic root of 485430990 is about 785.9154613867.

The spelling of 485430990 in words is "four hundred eighty-five million, four hundred thirty thousand, nine hundred ninety".