490398479 has 8 divisors (see below), whose sum is σ = 513672192. Its totient is φ = 467287480.

The previous prime is 490398463. The next prime is 490398509. The reversal of 490398479 is 974893094.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 490398479 - 2⁴ = 490398463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 490398479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490398409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34487 + ... + 46584.

It is an arithmetic number, because the mean of its divisors is an integer number (64209024).

Almost surely, 2^490398479 is an apocalyptic number.

490398479 is a deficient number, since it is larger than the sum of its proper divisors (23273713).

490398479 is a wasteful number, since it uses less digits than its factorization.

490398479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81357.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 490398479 is about 22144.9425151658. The cubic root of 490398479 is about 788.5871660866.

The spelling of 490398479 in words is "four hundred ninety million, three hundred ninety-eight thousand, four hundred seventy-nine".