1836224 has 28 divisors (see below), whose sum is σ = 3925824. Its totient is φ = 847104.

The previous prime is 1836157. The next prime is 1836239. The reversal of 1836224 is 4226381.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1836193 and 1836202.

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, 272 + ... + 1935.

It is an arithmetic number, because the mean of its divisors is an integer number (140208).

2^1836224 is an apocalyptic number.

It is an amenable number.

1836224 is an abundant number, since it is smaller than the sum of its proper divisors (2089600).

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

1836224 is a wasteful number, since it uses less digits than its factorization.

1836224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232 (or 2222 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 1836224 is about 1355.0734297447. The cubic root of 1836224 is about 122.4546326521.

The spelling of 1836224 in words is "one million, eight hundred thirty-six thousand, two hundred twenty-four".