3872249 has 2 divisors, whose sum is σ = 3872250. Its totient is φ = 3872248.

The previous prime is 3872237. The next prime is 3872273. The reversal of 3872249 is 9422783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2347024 + 1525225 = 1532^2 + 1235^2 .

It is an emirp because it is prime and its reverse (9422783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3872249 - 2²⁰ = 2823673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3872299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936124 + 1936125.

It is an arithmetic number, because the mean of its divisors is an integer number (1936125).

Almost surely, 2^3872249 is an apocalyptic number.

It is an amenable number.

3872249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3872249 is an equidigital number, since it uses as much as digits as its factorization.

3872249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 3872249 is about 1967.8030897425. The cubic root of 3872249 is about 157.0318541935.

The spelling of 3872249 in words is "three million, eight hundred seventy-two thousand, two hundred forty-nine".