490740797 has 4 divisors (see below), whose sum is σ = 516569280. Its totient is φ = 464912316.

The previous prime is 490740793. The next prime is 490740799. The reversal of 490740797 is 797047094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 490740797 - 2² = 490740793 is a prime.

It is a Duffinian 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, 12914213 + ... + 12914250.

It is an arithmetic number, because the mean of its divisors is an integer number (129142320).

Almost surely, 2^490740797 is an apocalyptic number.

It is an amenable number.

490740797 is a deficient number, since it is larger than the sum of its proper divisors (25828483).

490740797 is a wasteful number, since it uses less digits than its factorization.

490740797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25828482.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 490740797 is about 22152.6702002264. The cubic root of 490740797 is about 788.7706120025.

The spelling of 490740797 in words is "four hundred ninety million, seven hundred forty thousand, seven hundred ninety-seven".