3680811 has 6 divisors (see below), whose sum is σ = 5316740. Its totient is φ = 2453868.

The previous prime is 3680791. The next prime is 3680837. The reversal of 3680811 is 1180863.

It is not a de Polignac number, because 3680811 - 2¹³ = 3672619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3680881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204481 + ... + 204498.

Almost surely, 2^3680811 is an apocalyptic number.

3680811 is a deficient number, since it is larger than the sum of its proper divisors (1635929).

3680811 is a wasteful number, since it uses less digits than its factorization.

3680811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408985 (or 408982 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 3680811 is about 1918.5439791675. The cubic root of 3680811 is about 154.4001931817.

The spelling of 3680811 in words is "three million, six hundred eighty thousand, eight hundred eleven".