490879 has 4 divisors (see below), whose sum is σ = 504184. Its totient is φ = 477576.

The previous prime is 490877. The next prime is 490891. The reversal of 490879 is 978094.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 490879 - 2¹ = 490877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 13267 = 490879 / (4 + 9 + 0 + 8 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490877) 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, 6597 + ... + 6670.

It is an arithmetic number, because the mean of its divisors is an integer number (126046).

2⁴⁹⁰⁸⁷⁹ is an apocalyptic number.

490879 is a deficient number, since it is larger than the sum of its proper divisors (13305).

490879 is a wasteful number, since it uses less digits than its factorization.

490879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13304.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 490879 is about 700.6275758204. The cubic root of 490879 is about 78.8844649888.

It can be divided in two parts, 490 and 879, that added together give a square (1369 = 37²).

The spelling of 490879 in words is "four hundred ninety thousand, eight hundred seventy-nine".