490230 has 48 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 120384.

The previous prime is 490223. The next prime is 490241. The reversal of 490230 is 32094.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 961 + ... + 1379.

It is an arithmetic number, because the mean of its divisors is an integer number (28665).

2⁴⁹⁰²³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687960).

490230 is an abundant number, since it is smaller than the sum of its proper divisors (885690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490230 is a wasteful number, since it uses less digits than its factorization.

490230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 490230 is about 700.1642664404. The cubic root of 490230 is about 78.8496847974.

The spelling of 490230 in words is "four hundred ninety thousand, two hundred thirty".