3845870 has 16 divisors (see below), whose sum is σ = 7911648. Its totient is φ = 1318560.

The previous prime is 3845861. The next prime is 3845873. The reversal of 3845870 is 785483.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 3845870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27401 + ... + 27540.

It is an arithmetic number, because the mean of its divisors is an integer number (494478).

Almost surely, 2^3845870 is an apocalyptic number.

3845870 is an abundant number, since it is smaller than the sum of its proper divisors (4065778).

3845870 is a wasteful number, since it uses less digits than its factorization.

3845870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54955.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 3845870 is about 1961.0889831928. The cubic root of 3845870 is about 156.6744576378.

The spelling of 3845870 in words is "three million, eight hundred forty-five thousand, eight hundred seventy".