3636849 has 4 divisors (see below), whose sum is σ = 4849136. Its totient is φ = 2424564.

The previous prime is 3636839. The next prime is 3636877. The reversal of 3636849 is 9486363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3636849 - 2⁸ = 3636593 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3636839) 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, 606139 + ... + 606144.

It is an arithmetic number, because the mean of its divisors is an integer number (1212284).

Almost surely, 2^3636849 is an apocalyptic number.

It is an amenable number.

3636849 is a deficient number, since it is larger than the sum of its proper divisors (1212287).

3636849 is a wasteful number, since it uses less digits than its factorization.

3636849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212286.

The product of its digits is 93312, while the sum is 39.

The square root of 3636849 is about 1907.0524376639. The cubic root of 3636849 is about 153.7830334204.

The spelling of 3636849 in words is "three million, six hundred thirty-six thousand, eight hundred forty-nine".