2286920 has 16 divisors (see below), whose sum is σ = 5145660. Its totient is φ = 914752.

The previous prime is 2286883. The next prime is 2286953. The reversal of 2286920 is 296822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2172676 + 114244 = 1474^2 + 338^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28547 + ... + 28626.

2^2286920 is an apocalyptic number.

2286920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2286920 is an abundant number, since it is smaller than the sum of its proper divisors (2858740).

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

2286920 is a wasteful number, since it uses less digits than its factorization.

2286920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57184 (or 57180 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2286920 is about 1512.2565919843. The cubic root of 2286920 is about 131.7499090840.

The spelling of 2286920 in words is "two million, two hundred eighty-six thousand, nine hundred twenty".