2235856 has 20 divisors (see below), whose sum is σ = 4951072. Its totient is φ = 958176.

The previous prime is 2235851. The next prime is 2235859. The reversal of 2235856 is 6585322.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9870 + ... + 10093.

2^2235856 is an apocalyptic number.

It is an amenable number.

2235856 is an abundant number, since it is smaller than the sum of its proper divisors (2715216).

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

2235856 is a wasteful number, since it uses less digits than its factorization.

2235856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19978 (or 19972 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 2235856 is about 1495.2779005924. The cubic root of 2235856 is about 130.7619162975.

The spelling of 2235856 in words is "two million, two hundred thirty-five thousand, eight hundred fifty-six".