2578994 has 12 divisors (see below), whose sum is σ = 4252542. Its totient is φ = 1172160.

The previous prime is 2578993. The next prime is 2579009. The reversal of 2578994 is 4998752.

It is a happy number.

2578994 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., 2544025 + 34969 = 1595^2 + 187^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5087 + ... + 5570.

2^2578994 is an apocalyptic number.

2578994 is a deficient number, since it is larger than the sum of its proper divisors (1673548).

2578994 is a wasteful number, since it uses less digits than its factorization.

2578994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10681 (or 10670 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 2578994 is about 1605.9246557669. The cubic root of 2578994 is about 137.1355682923.

The spelling of 2578994 in words is "two million, five hundred seventy-eight thousand, nine hundred ninety-four".