458490 has 64 divisors (see below), whose sum is σ = 1244160. Its totient is φ = 107520.

The previous prime is 458483. The next prime is 458501. The reversal of 458490 is 94854.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

458490 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 31 ways as a sum of consecutive naturals, for example, 14775 + ... + 14805.

It is an arithmetic number, because the mean of its divisors is an integer number (19440).

2⁴⁵⁸⁴⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 458490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622080).

458490 is an abundant number, since it is smaller than the sum of its proper divisors (785670).

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

458490 is a wasteful number, since it uses less digits than its factorization.

458490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 458490 is about 677.1188965019. The cubic root of 458490 is about 77.1098673364.

The spelling of 458490 in words is "four hundred fifty-eight thousand, four hundred ninety".