3936937 has 4 divisors (see below), whose sum is σ = 3943620. Its totient is φ = 3930256.

The previous prime is 3936929. The next prime is 3936967. The reversal of 3936937 is 7396393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7396393 = 1787 ⋅4139.

It can be written as a sum of positive squares in 2 ways, for example, as 2446096 + 1490841 = 1564^2 + 1221^2 .

It is a cyclic number.

It is not a de Polignac number, because 3936937 - 2³ = 3936929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3936937.

It is not an unprimeable number, because it can be changed into a prime (3936917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2362 + ... + 3667.

It is an arithmetic number, because the mean of its divisors is an integer number (985905).

Almost surely, 2^3936937 is an apocalyptic number.

It is an amenable number.

3936937 is a deficient number, since it is larger than the sum of its proper divisors (6683).

3936937 is an equidigital number, since it uses as much as digits as its factorization.

3936937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682.

The product of its digits is 91854, while the sum is 40.

The square root of 3936937 is about 1984.1716155615. The cubic root of 3936937 is about 157.9014634230.

The spelling of 3936937 in words is "three million, nine hundred thirty-six thousand, nine hundred thirty-seven".