490764946 has 16 divisors (see below), whose sum is σ = 885591360. Its totient is φ = 199257840.

The previous prime is 490764943. The next prime is 490764971. The reversal of 490764946 is 649467094.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 490764946.

It is not an unprimeable number, because it can be changed into a prime (490764943) 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 7 ways as a sum of consecutive naturals, for example, 922225 + ... + 922756.

It is an arithmetic number, because the mean of its divisors is an integer number (55349460).

Almost surely, 2^490764946 is an apocalyptic number.

490764946 is a deficient number, since it is larger than the sum of its proper divisors (394826414).

490764946 is a wasteful number, since it uses less digits than its factorization.

490764946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845009.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 490764946 is about 22153.2152519674. The cubic root of 490764946 is about 788.7835500676.

The spelling of 490764946 in words is "four hundred ninety million, seven hundred sixty-four thousand, nine hundred forty-six".