1836424 has 8 divisors (see below), whose sum is σ = 3443310. Its totient is φ = 918208.

The previous prime is 1836413. The next prime is 1836427. The reversal of 1836424 is 4246381.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 13924 = 1350^2 + 118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1836392 and 1836401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836427) by changing a digit.

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, 114769 + ... + 114784.

2^1836424 is an apocalyptic number.

It is an amenable number.

1836424 is a deficient number, since it is larger than the sum of its proper divisors (1606886).

1836424 is a wasteful number, since it uses less digits than its factorization.

1836424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229559 (or 229555 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1836424 is about 1355.1472244742. The cubic root of 1836424 is about 122.4590783765.

The spelling of 1836424 in words is "one million, eight hundred thirty-six thousand, four hundred twenty-four".