36444613 has 8 divisors (see below), whose sum is σ = 37479960. Its totient is φ = 35416320.

The previous prime is 36444589. The next prime is 36444637. The reversal of 36444613 is 31644463.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (36444589) and next prime (36444637).

It can be written as a sum of positive squares in 4 ways, for example, as 47524 + 36397089 = 218^2 + 6033^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36444613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36444643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9753 + ... + 12961.

It is an arithmetic number, because the mean of its divisors is an integer number (4684995).

Almost surely, 2^36444613 is an apocalyptic number.

It is an amenable number.

36444613 is a deficient number, since it is larger than the sum of its proper divisors (1035347).

36444613 is a wasteful number, since it uses less digits than its factorization.

36444613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527.

The product of its digits is 20736, while the sum is 31.

The square root of 36444613 is about 6036.9373857942. The cubic root of 36444613 is about 331.5465000172.

The spelling of 36444613 in words is "thirty-six million, four hundred forty-four thousand, six hundred thirteen".