3845247 has 16 divisors (see below), whose sum is σ = 6204672. Its totient is φ = 2067840.

The previous prime is 3845221. The next prime is 3845251. The reversal of 3845247 is 7425483.

It is not a de Polignac number, because 3845247 - 2⁶ = 3845183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5029 + ... + 5742.

It is an arithmetic number, because the mean of its divisors is an integer number (387792).

Almost surely, 2^3845247 is an apocalyptic number.

3845247 is a deficient number, since it is larger than the sum of its proper divisors (2359425).

3845247 is a wasteful number, since it uses less digits than its factorization.

3845247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10798.

The product of its digits is 26880, while the sum is 33.

The square root of 3845247 is about 1960.9301364404. The cubic root of 3845247 is about 156.6659971804.

The spelling of 3845247 in words is "three million, eight hundred forty-five thousand, two hundred forty-seven".