2258456 has 8 divisors (see below), whose sum is σ = 4234620. Its totient is φ = 1129224.

The previous prime is 2258453. The next prime is 2258479. The reversal of 2258456 is 6548522.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141146 + ... + 141161.

2^2258456 is an apocalyptic number.

It is an amenable number.

2258456 is a deficient number, since it is larger than the sum of its proper divisors (1976164).

2258456 is a wasteful number, since it uses less digits than its factorization.

2258456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282313 (or 282309 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 2258456 is about 1502.8160233375. The cubic root of 2258456 is about 131.2010199703.

The spelling of 2258456 in words is "two million, two hundred fifty-eight thousand, four hundred fifty-six".