3926249 has 2 divisors, whose sum is σ = 3926250. Its totient is φ = 3926248.

The previous prime is 3926233. The next prime is 3926291. The reversal of 3926249 is 9426293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3356224 + 570025 = 1832^2 + 755^2 .

It is an emirp because it is prime and its reverse (9426293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3926249 - 2⁴ = 3926233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3926849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1963124 + 1963125.

It is an arithmetic number, because the mean of its divisors is an integer number (1963125).

Almost surely, 2^3926249 is an apocalyptic number.

It is an amenable number.

3926249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3926249 is an equidigital number, since it uses as much as digits as its factorization.

3926249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 3926249 is about 1981.4764697064. The cubic root of 3926249 is about 157.7584435778.

The spelling of 3926249 in words is "three million, nine hundred twenty-six thousand, two hundred forty-nine".