80490 has 16 divisors (see below), whose sum is σ = 193248. Its totient is φ = 21456.

The previous prime is 80489. The next prime is 80491. The reversal of 80490 is 9408.

It is an interprime number because it is at equal distance from previous prime (80489) and next prime (80491).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80491) 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, 1312 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (12078).

2⁸⁰⁴⁹⁰ is an apocalyptic number.

80490 is an abundant number, since it is smaller than the sum of its proper divisors (112758).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96624).

80490 is a wasteful number, since it uses less digits than its factorization.

80490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 80490 is about 283.7075959505. The cubic root of 80490 is about 43.1764875481.

Adding to 80490 its reverse (9408), we get a palindrome (89898).

The spelling of 80490 in words is "eighty thousand, four hundred ninety".