490385167 has 4 divisors (see below), whose sum is σ = 498696840. Its totient is φ = 482073496.

The previous prime is 490385123. The next prime is 490385171. The reversal of 490385167 is 761583094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490385167 is a prime.

It is a super-2 number, since 2×490385167² = 480955224027235778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490385267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4155748 + ... + 4155865.

It is an arithmetic number, because the mean of its divisors is an integer number (124674210).

Almost surely, 2^490385167 is an apocalyptic number.

490385167 is a deficient number, since it is larger than the sum of its proper divisors (8311673).

490385167 is an equidigital number, since it uses as much as digits as its factorization.

490385167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8311672.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 490385167 is about 22144.6419478844. The cubic root of 490385167 is about 788.5800305511.

The spelling of 490385167 in words is "four hundred ninety million, three hundred eighty-five thousand, one hundred sixty-seven".