485990406 has 48 divisors (see below), whose sum is σ = 1152981648. Its totient is φ = 146721600.

The previous prime is 485990399. The next prime is 485990411. The reversal of 485990406 is 604099584.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50416 + ... + 59276.

It is an arithmetic number, because the mean of its divisors is an integer number (24020451).

Almost surely, 2^485990406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485990406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576490824).

485990406 is an abundant number, since it is smaller than the sum of its proper divisors (666991242).

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

485990406 is a wasteful number, since it uses less digits than its factorization.

485990406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9157 (or 9154 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 485990406 is about 22045.1900876359. The cubic root of 485990406 is about 786.2172446910.

The spelling of 485990406 in words is "four hundred eighty-five million, nine hundred ninety thousand, four hundred six".