3845547 has 6 divisors (see below), whose sum is σ = 5554692. Its totient is φ = 2563692.

The previous prime is 3845539. The next prime is 3845549. The reversal of 3845547 is 7455483.

It is not a de Polignac number, because 3845547 - 2³ = 3845539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3845549) 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, 213633 + ... + 213650.

It is an arithmetic number, because the mean of its divisors is an integer number (925782).

Almost surely, 2^3845547 is an apocalyptic number.

3845547 is a deficient number, since it is larger than the sum of its proper divisors (1709145).

3845547 is a wasteful number, since it uses less digits than its factorization.

3845547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427289 (or 427286 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 3845547 is about 1961.0066292596. The cubic root of 3845547 is about 156.6700713510.

The spelling of 3845547 in words is "three million, eight hundred forty-five thousand, five hundred forty-seven".