486381990 has 32 divisors (see below), whose sum is σ = 1170804960. Its totient is φ = 129314304.

The previous prime is 486381979. The next prime is 486382003. The reversal of 486381990 is 99183684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13945 + ... + 34164.

It is an arithmetic number, because the mean of its divisors is an integer number (36587655).

Almost surely, 2^486381990 is an apocalyptic number.

486381990 is an abundant number, since it is smaller than the sum of its proper divisors (684422970).

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

486381990 is a wasteful number, since it uses less digits than its factorization.

486381990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48456.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 486381990 is about 22054.0696924627. The cubic root of 486381990 is about 786.4283513566.

The spelling of 486381990 in words is "four hundred eighty-six million, three hundred eighty-one thousand, nine hundred ninety".