3807866 has 8 divisors (see below), whose sum is σ = 6012480. Its totient is φ = 1803708.

The previous prime is 3807863. The next prime is 3807871. The reversal of 3807866 is 6687083.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 100207 = 3807866 / (3 + 8 + 0 + 7 + 8 + 6 + 6).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3807863) 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, 50066 + ... + 50141.

It is an arithmetic number, because the mean of its divisors is an integer number (751560).

Almost surely, 2^3807866 is an apocalyptic number.

3807866 is a deficient number, since it is larger than the sum of its proper divisors (2204614).

3807866 is a wasteful number, since it uses less digits than its factorization.

3807866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100228.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 3807866 is about 1951.3754123694. The cubic root of 3807866 is about 156.1566747229.

The spelling of 3807866 in words is "three million, eight hundred seven thousand, eight hundred sixty-six".