490269847 has 4 divisors (see below), whose sum is σ = 490599720. Its totient is φ = 489939976.

The previous prime is 490269821. The next prime is 490269859. The reversal of 490269847 is 748962094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748962094 = 2 ⋅374481047.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490269847 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 490269847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490269877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162697 + ... + 165682.

It is an arithmetic number, because the mean of its divisors is an integer number (122649930).

Almost surely, 2^490269847 is an apocalyptic number.

490269847 is a deficient number, since it is larger than the sum of its proper divisors (329873).

490269847 is a wasteful number, since it uses less digits than its factorization.

490269847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329872.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 490269847 is about 22142.0380046643. The cubic root of 490269847 is about 788.5182109960.

The spelling of 490269847 in words is "four hundred ninety million, two hundred sixty-nine thousand, eight hundred forty-seven".