490285990 has 32 divisors (see below), whose sum is σ = 892360800. Its totient is φ = 193939200.

The previous prime is 490285969. The next prime is 490286003. The reversal of 490285990 is 99582094.

It is a self number, because there is not a number n which added to its sum of digits gives 490285990.

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, 418105 + ... + 419275.

It is an arithmetic number, because the mean of its divisors is an integer number (27886275).

Almost surely, 2^490285990 is an apocalyptic number.

490285990 is a deficient number, since it is larger than the sum of its proper divisors (402074810).

490285990 is a wasteful number, since it uses less digits than its factorization.

490285990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 490285990 is about 22142.4025345038. The cubic root of 490285990 is about 788.5268653522.

The spelling of 490285990 in words is "four hundred ninety million, two hundred eighty-five thousand, nine hundred ninety".