490740798 has 8 divisors (see below), whose sum is σ = 981481608. Its totient is φ = 163580264.

The previous prime is 490740793. The next prime is 490740799. The reversal of 490740798 is 897047094.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

490740798 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490740793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40895061 + ... + 40895072.

It is an arithmetic number, because the mean of its divisors is an integer number (122685201).

Almost surely, 2^490740798 is an apocalyptic number.

490740798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

490740798 is a wasteful number, since it uses less digits than its factorization.

490740798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81790138.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 490740798 is about 22152.6702227971. The cubic root of 490740798 is about 788.7706125383.

The spelling of 490740798 in words is "four hundred ninety million, seven hundred forty thousand, seven hundred ninety-eight".