490305390 has 32 divisors (see below), whose sum is σ = 1177390080. Its totient is φ = 130675104.

The previous prime is 490305383. The next prime is 490305461. The reversal of 490305390 is 93503094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70071 + ... + 76749.

It is an arithmetic number, because the mean of its divisors is an integer number (36793440).

Almost surely, 2^490305390 is an apocalyptic number.

490305390 is an abundant number, since it is smaller than the sum of its proper divisors (687084690).

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

490305390 is a wasteful number, since it uses less digits than its factorization.

490305390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9136.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 490305390 is about 22142.8406036805. The cubic root of 490305390 is about 788.5372655538.

The spelling of 490305390 in words is "four hundred ninety million, three hundred five thousand, three hundred ninety".