3936903 has 4 divisors (see below), whose sum is σ = 5249208. Its totient is φ = 2624600.

The previous prime is 3936899. The next prime is 3936913. The reversal of 3936903 is 3096393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3096393 = 3 ⋅1032131.

It is a cyclic number.

It is not a de Polignac number, because 3936903 - 2² = 3936899 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3936913) 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, 656148 + ... + 656153.

It is an arithmetic number, because the mean of its divisors is an integer number (1312302).

Almost surely, 2^3936903 is an apocalyptic number.

3936903 is a deficient number, since it is larger than the sum of its proper divisors (1312305).

3936903 is a wasteful number, since it uses less digits than its factorization.

3936903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312304.

The product of its (nonzero) digits is 13122, while the sum is 33.

The square root of 3936903 is about 1984.1630477357. The cubic root of 3936903 is about 157.9010088678.

The spelling of 3936903 in words is "three million, nine hundred thirty-six thousand, nine hundred three".