490768397 has 8 divisors (see below), whose sum is σ = 561384000. Its totient is φ = 420279264.

The previous prime is 490768361. The next prime is 490768441. The reversal of 490768397 is 793867094.

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 490768397 - 2⁸ = 490768141 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 (490768307) 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, 23147 + ... + 38952.

It is an arithmetic number, because the mean of its divisors is an integer number (70173000).

Almost surely, 2^490768397 is an apocalyptic number.

It is an amenable number.

490768397 is a deficient number, since it is larger than the sum of its proper divisors (70615603).

490768397 is a wasteful number, since it uses less digits than its factorization.

490768397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63235.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 490768397 is about 22153.2931412014. The cubic root of 490768397 is about 788.7853989402.

The spelling of 490768397 in words is "four hundred ninety million, seven hundred sixty-eight thousand, three hundred ninety-seven".