1823632 has 20 divisors (see below), whose sum is σ = 3554460. Its totient is φ = 906368.

The previous prime is 1823621. The next prime is 1823659. The reversal of 1823632 is 2363281.

It can be written as a sum of positive squares in 2 ways, for example, as 1157776 + 665856 = 1076^2 + 816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1823597 and 1823606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4494 + ... + 4882.

It is an arithmetic number, because the mean of its divisors is an integer number (177723).

2^1823632 is an apocalyptic number.

It is an amenable number.

1823632 is a deficient number, since it is larger than the sum of its proper divisors (1730828).

1823632 is a wasteful number, since it uses less digits than its factorization.

1823632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 684 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 1823632 is about 1350.4191941764. The cubic root of 1823632 is about 122.1740773952.

The spelling of 1823632 in words is "one million, eight hundred twenty-three thousand, six hundred thirty-two".