3682309 has 4 divisors (see below), whose sum is σ = 3760704. Its totient is φ = 3603916.

The previous prime is 3682303. The next prime is 3682321. The reversal of 3682309 is 9032863.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3682309 is a prime.

It is a Duffinian number.

3682309 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3682303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39127 + ... + 39220.

It is an arithmetic number, because the mean of its divisors is an integer number (940176).

Almost surely, 2^3682309 is an apocalyptic number.

It is an amenable number.

3682309 is a deficient number, since it is larger than the sum of its proper divisors (78395).

3682309 is an equidigital number, since it uses as much as digits as its factorization.

3682309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78394.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3682309 is about 1918.9343396792. The cubic root of 3682309 is about 154.4211360409.

The spelling of 3682309 in words is "three million, six hundred eighty-two thousand, three hundred nine".