490954287 has 4 divisors (see below), whose sum is σ = 654605720. Its totient is φ = 327302856.

The previous prime is 490954249. The next prime is 490954301. The reversal of 490954287 is 782459094.

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

It is not a de Polignac number, because 490954287 - 2¹⁰ = 490953263 is a prime.

It is a super-2 number, since 2×490954287² = 482072223847356738, 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 (490954487) 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, 81825712 + ... + 81825717.

It is an arithmetic number, because the mean of its divisors is an integer number (163651430).

Almost surely, 2^490954287 is an apocalyptic number.

490954287 is a deficient number, since it is larger than the sum of its proper divisors (163651433).

490954287 is a wasteful number, since it uses less digits than its factorization.

490954287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163651432.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 490954287 is about 22157.4882827454. The cubic root of 490954287 is about 788.8849766703.

The spelling of 490954287 in words is "four hundred ninety million, nine hundred fifty-four thousand, two hundred eighty-seven".