36244891 has 4 divisors (see below), whose sum is σ = 36306000. Its totient is φ = 36183784.

The previous prime is 36244889. The next prime is 36244903. The reversal of 36244891 is 19844263.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36244891 - 2¹ = 36244889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36244891.

It is not an unprimeable number, because it can be changed into a prime (36244841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29656 + ... + 30853.

It is an arithmetic number, because the mean of its divisors is an integer number (9076500).

Almost surely, 2^36244891 is an apocalyptic number.

36244891 is a deficient number, since it is larger than the sum of its proper divisors (61109).

36244891 is an equidigital number, since it uses as much as digits as its factorization.

36244891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61108.

The product of its digits is 41472, while the sum is 37.

The square root of 36244891 is about 6020.3729950893. The cubic root of 36244891 is about 330.9397486192.

It can be divided in two parts, 3624 and 4891, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 36244891 in words is "thirty-six million, two hundred forty-four thousand, eight hundred ninety-one".