3872239 has 8 divisors (see below), whose sum is σ = 4470048. Its totient is φ = 3285600.

The previous prime is 3872237. The next prime is 3872249. The reversal of 3872239 is 9322783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3872239 - 2¹ = 3872237 is a prime.

It is a Duffinian number.

3872239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872237) 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, 2032 + ... + 3445.

It is an arithmetic number, because the mean of its divisors is an integer number (558756).

Almost surely, 2^3872239 is an apocalyptic number.

3872239 is a deficient number, since it is larger than the sum of its proper divisors (597809).

3872239 is a wasteful number, since it uses less digits than its factorization.

3872239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585.

The product of its digits is 18144, while the sum is 34.

The square root of 3872239 is about 1967.8005488362. The cubic root of 3872239 is about 157.0317190163.

The spelling of 3872239 in words is "three million, eight hundred seventy-two thousand, two hundred thirty-nine".