490872669 has 16 divisors (see below), whose sum is σ = 750266880. Its totient is φ = 279647280.

The previous prime is 490872667. The next prime is 490872677. The reversal of 490872669 is 966278094.

It is a happy number.

It is not a de Polignac number, because 490872669 - 2¹ = 490872667 is a prime.

It is a super-2 number, since 2×490872669² = 481911954342367122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490872667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28359 + ... + 42260.

It is an arithmetic number, because the mean of its divisors is an integer number (46891680).

Almost surely, 2^490872669 is an apocalyptic number.

It is an amenable number.

490872669 is a deficient number, since it is larger than the sum of its proper divisors (259394211).

490872669 is a wasteful number, since it uses less digits than its factorization.

490872669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70960.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 490872669 is about 22155.6464360668. The cubic root of 490872669 is about 788.8412585591.

It can be divided in two parts, 4908 and 72669, that added together give a palindrome (77577).

The spelling of 490872669 in words is "four hundred ninety million, eight hundred seventy-two thousand, six hundred sixty-nine".