3936437 has 2 divisors, whose sum is σ = 3936438. Its totient is φ = 3936436.

The previous prime is 3936353. The next prime is 3936463. The reversal of 3936437 is 7346393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3632836 + 303601 = 1906^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 3936437 - 2⁸ = 3936181 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3936397 and 3936406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3936137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1968218 + 1968219.

It is an arithmetic number, because the mean of its divisors is an integer number (1968219).

Almost surely, 2^3936437 is an apocalyptic number.

It is an amenable number.

3936437 is a deficient number, since it is larger than the sum of its proper divisors (1).

3936437 is an equidigital number, since it uses as much as digits as its factorization.

3936437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 35.

The square root of 3936437 is about 1984.0456143950. The cubic root of 3936437 is about 157.8947785244.

The spelling of 3936437 in words is "three million, nine hundred thirty-six thousand, four hundred thirty-seven".