490395390 has 16 divisors (see below), whose sum is σ = 1176949008. Its totient is φ = 130772096.

The previous prime is 490395361. The next prime is 490395391. The reversal of 490395390 is 93593094.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490395391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8173227 + ... + 8173286.

It is an arithmetic number, because the mean of its divisors is an integer number (73559313).

Almost surely, 2^490395390 is an apocalyptic number.

490395390 is an abundant number, since it is smaller than the sum of its proper divisors (686553618).

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

490395390 is a wasteful number, since it uses less digits than its factorization.

490395390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16346523.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 490395390 is about 22144.8727700116. The cubic root of 490395390 is about 788.5855103237.

The spelling of 490395390 in words is "four hundred ninety million, three hundred ninety-five thousand, three hundred ninety".