3101872 has 20 divisors (see below), whose sum is σ = 6271920. Its totient is φ = 1483328.

The previous prime is 3101867. The next prime is 3101881. The reversal of 3101872 is 2781013.

3101872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3847 + ... + 4582.

It is an arithmetic number, because the mean of its divisors is an integer number (313596).

Almost surely, 2^3101872 is an apocalyptic number.

It is an amenable number.

3101872 is an abundant number, since it is smaller than the sum of its proper divisors (3170048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3101872 is a wasteful number, since it uses less digits than its factorization.

3101872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460 (or 8454 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 3101872 is about 1761.2132182107. The cubic root of 3101872 is about 145.8393178134.

Adding to 3101872 its reverse (2781013), we get a palindrome (5882885).

It can be divided in two parts, 3101 and 872, that multiplied together give a palindrome (2704072).

The spelling of 3101872 in words is "three million, one hundred one thousand, eight hundred seventy-two".