3682691 has 4 divisors (see below), whose sum is σ = 3842832. Its totient is φ = 3522552.

The previous prime is 3682687. The next prime is 3682703. The reversal of 3682691 is 1962863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1962863 = 7 ⋅280409.

It is a cyclic number.

It is not a de Polignac number, because 3682691 - 2² = 3682687 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3682891) 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, 80036 + ... + 80081.

It is an arithmetic number, because the mean of its divisors is an integer number (960708).

Almost surely, 2^3682691 is an apocalyptic number.

3682691 is a deficient number, since it is larger than the sum of its proper divisors (160141).

3682691 is a wasteful number, since it uses less digits than its factorization.

3682691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160140.

The product of its digits is 15552, while the sum is 35.

The square root of 3682691 is about 1919.0338715093. The cubic root of 3682691 is about 154.4264757009.

The spelling of 3682691 in words is "three million, six hundred eighty-two thousand, six hundred ninety-one".