3892249 has 2 divisors, whose sum is σ = 3892250. Its totient is φ = 3892248.

The previous prime is 3892247. The next prime is 3892261. The reversal of 3892249 is 9422983.

3892249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3705625 + 186624 = 1925^2 + 432^2 .

It is a cyclic number.

It is not a de Polignac number, because 3892249 - 2¹ = 3892247 is a prime.

Together with 3892247, it forms a pair of twin primes.

3892249 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3892247) by changing a digit.

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 as a sum of consecutive naturals, namely, 1946124 + 1946125.

It is an arithmetic number, because the mean of its divisors is an integer number (1946125).

Almost surely, 2^3892249 is an apocalyptic number.

It is an amenable number.

3892249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3892249 is an equidigital number, since it uses as much as digits as its factorization.

3892249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 3892249 is about 1972.8783540807. The cubic root of 3892249 is about 157.3017443324.

The spelling of 3892249 in words is "three million, eight hundred ninety-two thousand, two hundred forty-nine".