3872188 has 12 divisors (see below), whose sum is σ = 7071120. Its totient is φ = 1851872.

The previous prime is 3872153. The next prime is 3872201. The reversal of 3872188 is 8812783.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20953 + ... + 21136.

It is an arithmetic number, because the mean of its divisors is an integer number (589260).

Almost surely, 2^3872188 is an apocalyptic number.

It is an amenable number.

3872188 is a deficient number, since it is larger than the sum of its proper divisors (3198932).

3872188 is a wasteful number, since it uses less digits than its factorization.

3872188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42116 (or 42114 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 3872188 is about 1967.7875901631. The cubic root of 3872188 is about 157.0310296087.

It can be divided in two parts, 38721 and 88, that added together give a square (38809 = 197²).

The spelling of 3872188 in words is "three million, eight hundred seventy-two thousand, one hundred eighty-eight".