36440621 has 8 divisors (see below), whose sum is σ = 41700480. Its totient is φ = 31194288.

The previous prime is 36440609. The next prime is 36440629. The reversal of 36440621 is 12604463.

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

It is a cyclic number.

It is not a de Polignac number, because 36440621 - 2¹⁰ = 36439597 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 (36440629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3275 + ... + 9143.

It is an arithmetic number, because the mean of its divisors is an integer number (5212560).

Almost surely, 2^36440621 is an apocalyptic number.

It is an amenable number.

36440621 is a deficient number, since it is larger than the sum of its proper divisors (5259859).

36440621 is an equidigital number, since it uses as much as digits as its factorization.

36440621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 36440621 is about 6036.6067455152. The cubic root of 36440621 is about 331.5343941407.

The spelling of 36440621 in words is "thirty-six million, four hundred forty thousand, six hundred twenty-one".