3805047 has 12 divisors (see below), whose sum is σ = 5541120. Its totient is φ = 2515968.

The previous prime is 3805037. The next prime is 3805057. The reversal of 3805047 is 7405083.

It is an interprime number because it is at equal distance from previous prime (3805037) and next prime (3805057).

It is not a de Polignac number, because 3805047 - 2⁷ = 3804919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3805047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3805037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (461760).

Almost surely, 2^3805047 is an apocalyptic number.

3805047 is a deficient number, since it is larger than the sum of its proper divisors (1736073).

3805047 is a wasteful number, since it uses less digits than its factorization.

3805047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462 (or 3459 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3805047 is about 1950.6529675983. The cubic root of 3805047 is about 156.1181304447.

The spelling of 3805047 in words is "three million, eight hundred five thousand, forty-seven".