3806347 has 2 divisors, whose sum is σ = 3806348. Its totient is φ = 3806346.

The previous prime is 3806333. The next prime is 3806423. The reversal of 3806347 is 7436083.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3806347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3806447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903173 + 1903174.

It is an arithmetic number, because the mean of its divisors is an integer number (1903174).

Almost surely, 2^3806347 is an apocalyptic number.

3806347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3806347 is an equidigital number, since it uses as much as digits as its factorization.

3806347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 3806347 is about 1950.9861608940. The cubic root of 3806347 is about 156.1359077512.

The spelling of 3806347 in words is "three million, eight hundred six thousand, three hundred forty-seven".