36830621 has 4 divisors (see below), whose sum is σ = 36845052. Its totient is φ = 36816192.

The previous prime is 36830557. The next prime is 36830623. The reversal of 36830621 is 12603863.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19483396 + 17347225 = 4414^2 + 4165^2 .

It is a cyclic number.

It is not a de Polignac number, because 36830621 - 2⁶ = 36830557 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 (36830623) 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, 2246 + ... + 8871.

It is an arithmetic number, because the mean of its divisors is an integer number (9211263).

Almost surely, 2^36830621 is an apocalyptic number.

It is an amenable number.

36830621 is a deficient number, since it is larger than the sum of its proper divisors (14431).

36830621 is a wasteful number, since it uses less digits than its factorization.

36830621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14430.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 36830621 is about 6068.8236916226. The cubic root of 36830621 is about 332.7129312423.

The spelling of 36830621 in words is "thirty-six million, eight hundred thirty thousand, six hundred twenty-one".