3872241 has 12 divisors (see below), whose sum is σ = 5774080. Its totient is φ = 2498040.

The previous prime is 3872237. The next prime is 3872249. The reversal of 3872241 is 1422783.

It is not a de Polignac number, because 3872241 - 2² = 3872237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3872249) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6661 + ... + 7218.

Almost surely, 2^3872241 is an apocalyptic number.

3872241 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3872241 is a deficient number, since it is larger than the sum of its proper divisors (1901839).

3872241 is a wasteful number, since it uses less digits than its factorization.

3872241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13916 (or 13913 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 3872241 is about 1967.8010570177. The cubic root of 3872241 is about 157.0317460517.

It can be divided in two parts, 387 and 2241, that added together give a triangular number (2628 = T₇₂).

The spelling of 3872241 in words is "three million, eight hundred seventy-two thousand, two hundred forty-one".