490915 has 8 divisors (see below), whose sum is σ = 601920. Its totient is φ = 384192.

The previous prime is 490913. The next prime is 490921. The reversal of 490915 is 519094.

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

It is a cyclic number.

It is not a de Polignac number, because 490915 - 2¹ = 490913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810 + ... + 1279.

It is an arithmetic number, because the mean of its divisors is an integer number (75240).

2⁴⁹⁰⁹¹⁵ is an apocalyptic number.

490915 is a deficient number, since it is larger than the sum of its proper divisors (111005).

490915 is a wasteful number, since it uses less digits than its factorization.

490915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 490915 is about 700.6532666020. The cubic root of 490915 is about 78.8863933468.

The spelling of 490915 in words is "four hundred ninety thousand, nine hundred fifteen".