1838224 has 10 divisors (see below), whose sum is σ = 3561590. Its totient is φ = 919104.

The previous prime is 1838209. The next prime is 1838233. The reversal of 1838224 is 4228381.

It can be written as a sum of positive squares in only one way, i.e., 1607824 + 230400 = 1268^2 + 480^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1838192 and 1838201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57429 + ... + 57460.

It is an arithmetic number, because the mean of its divisors is an integer number (356159).

2^1838224 is an apocalyptic number.

It is an amenable number.

1838224 is a deficient number, since it is larger than the sum of its proper divisors (1723366).

1838224 is a wasteful number, since it uses less digits than its factorization.

1838224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114897 (or 114891 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 1838224 is about 1355.8111962954. The cubic root of 1838224 is about 122.4990753783.

The spelling of 1838224 in words is "one million, eight hundred thirty-eight thousand, two hundred twenty-four".