994580 has 18 divisors (see below), whose sum is σ = 2098026. Its totient is φ = 396048.

The previous prime is 994579. The next prime is 994583. The reversal of 994580 is 85499.

994580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 795664 + 198916 = 892^2 + 446^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 994580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994583) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4349 + ... + 4571.

It is an arithmetic number, because the mean of its divisors is an integer number (116557).

2⁹⁹⁴⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

994580 is an abundant number, since it is smaller than the sum of its proper divisors (1103446).

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

994580 is a wasteful number, since it uses less digits than its factorization.

994580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 994580 is about 997.2863179649. The cubic root of 994580 is about 99.8190059425.

The spelling of 994580 in words is "nine hundred ninety-four thousand, five hundred eighty".