490046769 has 27 divisors (see below), whose sum is σ = 727862187. Its totient is φ = 317710224.

The previous prime is 490046747. The next prime is 490046771. The reversal of 490046769 is 967640094.

The square root of 490046769 is 22137.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 143640225 + 346406544 = 11985^2 + 18612^2 .

It is not a de Polignac number, because 490046769 - 2²¹ = 487949617 is a prime.

It is a super-2 number, since 2×490046769² = 480291671614678722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (490046779) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3121239 + ... + 3121395.

Almost surely, 2^490046769 is an apocalyptic number.

490046769 is the 22137-th square number.

490046769 is the 11069-th centered octagonal number.

It is an amenable number.

490046769 is a deficient number, since it is larger than the sum of its proper divisors (237815418).

490046769 is an equidigital number, since it uses as much as digits as its factorization.

490046769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The cubic root of 490046769 is about 788.3985981255.

The spelling of 490046769 in words is "four hundred ninety million, forty-six thousand, seven hundred sixty-nine".