490777229 has 4 divisors (see below), whose sum is σ = 490836540. Its totient is φ = 490717920.

The previous prime is 490777219. The next prime is 490777241. The reversal of 490777229 is 922777094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 922777094 = 2 ⋅461388547.

It can be written as a sum of positive squares in 2 ways, for example, as 23785129 + 466992100 = 4877^2 + 21610^2 .

It is a cyclic number.

It is not a de Polignac number, because 490777229 - 2²⁸ = 222341773 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 (490777219) 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, 14744 + ... + 34625.

It is an arithmetic number, because the mean of its divisors is an integer number (122709135).

Almost surely, 2^490777229 is an apocalyptic number.

It is an amenable number.

490777229 is a deficient number, since it is larger than the sum of its proper divisors (59311).

490777229 is an equidigital number, since it uses as much as digits as its factorization.

490777229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59310.

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

The square root of 490777229 is about 22153.4924786138. The cubic root of 490777229 is about 788.7901306432.

The spelling of 490777229 in words is "four hundred ninety million, seven hundred seventy-seven thousand, two hundred twenty-nine".