2558394 has 24 divisors (see below), whose sum is σ = 5608980. Its totient is φ = 842688.

The previous prime is 2558377. The next prime is 2558411. The reversal of 2558394 is 4938552.

2558394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2558377) and next prime (2558411).

It can be written as a sum of positive squares in 2 ways, for example, as 2295225 + 263169 = 1515^2 + 513^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 804 + ... + 2400.

2^2558394 is an apocalyptic number.

2558394 is an abundant number, since it is smaller than the sum of its proper divisors (3050586).

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

2558394 is a wasteful number, since it uses less digits than its factorization.

2558394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1691 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 2558394 is about 1599.4980462633. The cubic root of 2558394 is about 136.7694632774.

It can be divided in two parts, 255 and 8394, that added together give a square (8649 = 93²).

The spelling of 2558394 in words is "two million, five hundred fifty-eight thousand, three hundred ninety-four".