490801 has 4 divisors (see below), whose sum is σ = 493812. Its totient is φ = 487792.

The previous prime is 490783. The next prime is 490829. The reversal of 490801 is 108094.

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

It can be written as a sum of positive squares in 2 ways, for example, as 216225 + 274576 = 465^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 490801 - 2⁵ = 490769 is a prime.

It is a Duffinian number.

490801 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (490891) 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, 1246 + ... + 1591.

It is an arithmetic number, because the mean of its divisors is an integer number (123453).

2⁴⁹⁰⁸⁰¹ is an apocalyptic number.

It is an amenable number.

490801 is a deficient number, since it is larger than the sum of its proper divisors (3011).

490801 is a wasteful number, since it uses less digits than its factorization.

490801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 490801 is about 700.5719092285. The cubic root of 490801 is about 78.8802865564.

Adding to 490801 its reverse (108094), we get a palindrome (598895).

The spelling of 490801 in words is "four hundred ninety thousand, eight hundred one".