3643682 has 8 divisors (see below), whose sum is σ = 6246336. Its totient is φ = 1561572.

The previous prime is 3643681. The next prime is 3643699. The reversal of 3643682 is 2863463.

3643682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (3643681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130118 + ... + 130145.

It is an arithmetic number, because the mean of its divisors is an integer number (780792).

Almost surely, 2^3643682 is an apocalyptic number.

3643682 is a deficient number, since it is larger than the sum of its proper divisors (2602654).

3643682 is a wasteful number, since it uses less digits than its factorization.

3643682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260272.

The product of its digits is 20736, while the sum is 32.

The square root of 3643682 is about 1908.8431051294. The cubic root of 3643682 is about 153.8792835960.

Subtracting from 3643682 its sum of digits (32), we obtain a triangular number (3643650 = T₂₆₉₉).

The spelling of 3643682 in words is "three million, six hundred forty-three thousand, six hundred eighty-two".