3964237 has 2 divisors, whose sum is σ = 3964238. Its totient is φ = 3964236.

The previous prime is 3964229. The next prime is 3964273. The reversal of 3964237 is 7324693.

Together with next prime (3964273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3031081 + 933156 = 1741^2 + 966^2 .

It is a cyclic number.

It is not a de Polignac number, because 3964237 - 2³ = 3964229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3964277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982118 + 1982119.

It is an arithmetic number, because the mean of its divisors is an integer number (1982119).

Almost surely, 2^3964237 is an apocalyptic number.

It is an amenable number.

3964237 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964237 is an equidigital number, since it uses as much as digits as its factorization.

3964237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

The square root of 3964237 is about 1991.0391759079. The cubic root of 3964237 is about 158.2656030410.

The spelling of 3964237 in words is "three million, nine hundred sixty-four thousand, two hundred thirty-seven".