3636841 has 8 divisors (see below), whose sum is σ = 4022984. Its totient is φ = 3265920.

The previous prime is 3636839. The next prime is 3636877. The reversal of 3636841 is 1486363.

It can be written as a sum of positive squares in 4 ways, for example, as 291600 + 3345241 = 540^2 + 1829^2 .

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 3636841 - 2¹ = 3636839 is a prime.

It is a super-2 number, since 2×3636841² = 26453224918562, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3636341) 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, 3300 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (502873).

Almost surely, 2^3636841 is an apocalyptic number.

It is an amenable number.

3636841 is a deficient number, since it is larger than the sum of its proper divisors (386143).

3636841 is a wasteful number, since it uses less digits than its factorization.

3636841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611.

The product of its digits is 10368, while the sum is 31.

The square root of 3636841 is about 1907.0503401851. The cubic root of 3636841 is about 153.7829206612.

The spelling of 3636841 in words is "three million, six hundred thirty-six thousand, eight hundred forty-one".