490398 has 24 divisors (see below), whose sum is σ = 1029192. Its totient is φ = 155664.

The previous prime is 490393. The next prime is 490417. The reversal of 490398 is 893094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490393) by changing a digit.

490398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10411 + ... + 10457.

It is an arithmetic number, because the mean of its divisors is an integer number (42883).

2⁴⁹⁰³⁹⁸ is an apocalyptic number.

490398 is an abundant number, since it is smaller than the sum of its proper divisors (538794).

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

490398 is a wasteful number, since it uses less digits than its factorization.

490398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 490398 is about 700.2842280103. The cubic root of 490398 is about 78.8586909334.

It can be divided in two parts, 490 and 398, that added together give a palindrome (888).

The spelling of 490398 in words is "four hundred ninety thousand, three hundred ninety-eight".