36864442 has 8 divisors (see below), whose sum is σ = 55786356. Its totient is φ = 18268992.

The previous prime is 36864437. The next prime is 36864461. The reversal of 36864442 is 24446863.

It can be written as a sum of positive squares in 2 ways, for example, as 34210801 + 2653641 = 5849^2 + 1629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 81333 + ... + 81784.

Almost surely, 2^36864442 is an apocalyptic number.

36864442 is a deficient number, since it is larger than the sum of its proper divisors (18921914).

36864442 is a wasteful number, since it uses less digits than its factorization.

36864442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163232.

The product of its digits is 110592, while the sum is 37.

The square root of 36864442 is about 6071.6095065477. The cubic root of 36864442 is about 332.8147418292.

It can be divided in two parts, 3686 and 4442, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 36864442 in words is "thirty-six million, eight hundred sixty-four thousand, four hundred forty-two".