490281 has 16 divisors (see below), whose sum is σ = 725760. Its totient is φ = 291920.

The previous prime is 490277. The next prime is 490283. The reversal of 490281 is 182094.

It is a cyclic number.

It is not a de Polignac number, because 490281 - 2² = 490277 is a prime.

It is a super-2 number, since 2×490281² = 480750917922, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490281.

It is not an unprimeable number, because it can be changed into a prime (490283) 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, 2650 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2⁴⁹⁰²⁸¹ is an apocalyptic number.

It is an amenable number.

490281 is a deficient number, since it is larger than the sum of its proper divisors (235479).

490281 is a wasteful number, since it uses less digits than its factorization.

490281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 490281 is about 700.2006855181. The cubic root of 490281 is about 78.8524190204.

The spelling of 490281 in words is "four hundred ninety thousand, two hundred eighty-one".