2258776 has 32 divisors (see below), whose sum is σ = 4692240. Its totient is φ = 1012608.

The previous prime is 2258743. The next prime is 2258779. The reversal of 2258776 is 6778522.

2258776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258779) 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 7 ways as a sum of consecutive naturals, for example, 3555 + ... + 4141.

2^2258776 is an apocalyptic number.

2258776 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2258776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2346120).

2258776 is an abundant number, since it is smaller than the sum of its proper divisors (2433464).

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

2258776 is a wasteful number, since it uses less digits than its factorization.

2258776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 639 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 2258776 is about 1502.9224863578. The cubic root of 2258776 is about 131.2072162896.

The spelling of 2258776 in words is "two million, two hundred fifty-eight thousand, seven hundred seventy-six".