490223947 has 2 divisors, whose sum is σ = 490223948. Its totient is φ = 490223946.

The previous prime is 490223941. The next prime is 490223969. The reversal of 490223947 is 749322094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490223947 - 2⁷ = 490223819 is a prime.

It is not a weakly prime, because it can be changed into another prime (490223941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245111973 + 245111974.

It is an arithmetic number, because the mean of its divisors is an integer number (245111974).

Almost surely, 2^490223947 is an apocalyptic number.

490223947 is a deficient number, since it is larger than the sum of its proper divisors (1).

490223947 is an equidigital number, since it uses as much as digits as its factorization.

490223947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 490223947 is about 22141.0014904475. The cubic root of 490223947 is about 788.4936027007.

The spelling of 490223947 in words is "four hundred ninety million, two hundred twenty-three thousand, nine hundred forty-seven".