494530590 has 64 divisors (see below), whose sum is σ = 1246358016. Its totient is φ = 125338752.

The previous prime is 494530583. The next prime is 494530607. The reversal of 494530590 is 95035494.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110272 + ... + 114668.

It is an arithmetic number, because the mean of its divisors is an integer number (19474344).

Almost surely, 2^494530590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494530590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623179008).

494530590 is an abundant number, since it is smaller than the sum of its proper divisors (751827426).

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

494530590 is a wasteful number, since it uses less digits than its factorization.

494530590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 494530590 is about 22238.0437538917. The cubic root of 494530590 is about 790.7958598274.

The spelling of 494530590 in words is "four hundred ninety-four million, five hundred thirty thousand, five hundred ninety".