3806307 has 6 divisors (see below), whose sum is σ = 5498012. Its totient is φ = 2537532.

The previous prime is 3806303. The next prime is 3806321. The reversal of 3806307 is 7036083.

It is a happy number.

It is not a de Polignac number, because 3806307 - 2² = 3806303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3806303) 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, 211453 + ... + 211470.

Almost surely, 2^3806307 is an apocalyptic number.

3806307 is a deficient number, since it is larger than the sum of its proper divisors (1691705).

3806307 is a wasteful number, since it uses less digits than its factorization.

3806307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422929 (or 422926 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3806307 is about 1950.9759096411. The cubic root of 3806307 is about 156.1353608175.

The spelling of 3806307 in words is "three million, eight hundred six thousand, three hundred seven".