2258404 has 12 divisors (see below), whose sum is σ = 4088700. Its totient is φ = 1090208.

The previous prime is 2258387. The next prime is 2258407. The reversal of 2258404 is 4048522.

It is a happy number.

2258404 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1004004 + 1254400 = 1002^2 + 1120^2 .

It is not an unprimeable number, because it can be changed into a prime (2258407) 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 3 ways as a sum of consecutive naturals, for example, 9619 + ... + 9850.

It is an arithmetic number, because the mean of its divisors is an integer number (340725).

2^2258404 is an apocalyptic number.

It is an amenable number.

2258404 is a deficient number, since it is larger than the sum of its proper divisors (1830296).

2258404 is a wasteful number, since it uses less digits than its factorization.

2258404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19502 (or 19500 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2258404 is about 1502.7987223843. The cubic root of 2258404 is about 131.2000130131.

It can be divided in two parts, 2258 and 404, that added together give a palindrome (2662).

The spelling of 2258404 in words is "two million, two hundred fifty-eight thousand, four hundred four".