3683811 has 8 divisors (see below), whose sum is σ = 4930240. Its totient is φ = 2446632.

The previous prime is 3683803. The next prime is 3683819. The reversal of 3683811 is 1183863.

It is an interprime number because it is at equal distance from previous prime (3683803) and next prime (3683819).

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

It is not a de Polignac number, because 3683811 - 2³ = 3683803 is a prime.

It is a Duffinian number.

3683811 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3683819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321 + ... + 3018.

It is an arithmetic number, because the mean of its divisors is an integer number (616280).

Almost surely, 2^3683811 is an apocalyptic number.

3683811 is a deficient number, since it is larger than the sum of its proper divisors (1246429).

3683811 is a wasteful number, since it uses less digits than its factorization.

3683811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625.

The product of its digits is 3456, while the sum is 30.

The square root of 3683811 is about 1919.3256628306. The cubic root of 3683811 is about 154.4421291205.

It can be divided in two parts, 36 and 83811, that multiplied together give a triangular number (3017196 = T₂₄₅₆).

The spelling of 3683811 in words is "three million, six hundred eighty-three thousand, eight hundred eleven".