490889 has 8 divisors (see below), whose sum is σ = 585600. Its totient is φ = 402336.

The previous prime is 490877. The next prime is 490891. The reversal of 490889 is 988094.

490889 = T₁₉₅ + T₁₉₆ + ... + T₂₁₇.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490889 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490889.

It is not an unprimeable number, because it can be changed into a prime (490829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364 + ... + 1685.

It is an arithmetic number, because the mean of its divisors is an integer number (73200).

2⁴⁹⁰⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

490889 is a deficient number, since it is larger than the sum of its proper divisors (94711).

490889 is a wasteful number, since it uses less digits than its factorization.

490889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 490889 is about 700.6347122431. The cubic root of 490889 is about 78.8850006533.

The spelling of 490889 in words is "four hundred ninety thousand, eight hundred eighty-nine".