36641623 has 4 divisors (see below), whose sum is σ = 37421280. Its totient is φ = 35861968.

The previous prime is 36641611. The next prime is 36641669. The reversal of 36641623 is 32614663.

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 36641623 - 2¹³ = 36633431 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 (36641023) 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, 389758 + ... + 389851.

It is an arithmetic number, because the mean of its divisors is an integer number (9355320).

Almost surely, 2^36641623 is an apocalyptic number.

36641623 is a deficient number, since it is larger than the sum of its proper divisors (779657).

36641623 is an equidigital number, since it uses as much as digits as its factorization.

36641623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779656.

The product of its digits is 15552, while the sum is 31.

The square root of 36641623 is about 6053.2324422576. The cubic root of 36641623 is about 332.1428444929.

The spelling of 36641623 in words is "thirty-six million, six hundred forty-one thousand, six hundred twenty-three".