36821824 has 28 divisors (see below), whose sum is σ = 78690724. Its totient is φ = 16994304.

The previous prime is 36821801. The next prime is 36821899. The reversal of 36821824 is 42812863.

It can be written as a sum of positive squares in 2 ways, for example, as 21455424 + 15366400 = 4632^2 + 3920^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 36821824.

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, 21297 + ... + 22960.

It is an arithmetic number, because the mean of its divisors is an integer number (2810383).

Almost surely, 2^36821824 is an apocalyptic number.

It is an amenable number.

36821824 is an abundant number, since it is smaller than the sum of its proper divisors (41868900).

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

36821824 is a wasteful number, since it uses less digits than its factorization.

36821824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44282 (or 44272 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 36821824 is about 6068.0988785616. The cubic root of 36821824 is about 332.6864396199.

The spelling of 36821824 in words is "thirty-six million, eight hundred twenty-one thousand, eight hundred twenty-four".