490740874 has 8 divisors (see below), whose sum is σ = 792735300. Its totient is φ = 226495776.

The previous prime is 490740869. The next prime is 490740889. The reversal of 490740874 is 478047094.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 459459225 + 31281649 = 21435^2 + 5593^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 490740874.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9437299 + ... + 9437350.

Almost surely, 2^490740874 is an apocalyptic number.

490740874 is a deficient number, since it is larger than the sum of its proper divisors (301994426).

490740874 is a wasteful number, since it uses less digits than its factorization.

490740874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18874664.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 490740874 is about 22152.6719381658. The cubic root of 490740874 is about 788.7706532567.

The spelling of 490740874 in words is "four hundred ninety million, seven hundred forty thousand, eight hundred seventy-four".