3903697 has 4 divisors (see below), whose sum is σ = 4461376. Its totient is φ = 3346020.

The previous prime is 3903689. The next prime is 3903703. The reversal of 3903697 is 7963093.

3903697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7963093 = 1117 ⋅7129.

It is a cyclic number.

It is not a de Polignac number, because 3903697 - 2³ = 3903689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3903637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278829 + ... + 278842.

It is an arithmetic number, because the mean of its divisors is an integer number (1115344).

Almost surely, 2^3903697 is an apocalyptic number.

It is an amenable number.

3903697 is a deficient number, since it is larger than the sum of its proper divisors (557679).

3903697 is an equidigital number, since it uses as much as digits as its factorization.

3903697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557678.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 3903697 is about 1975.7775684525. Note that the first 3 decimals coincide. The cubic root of 3903697 is about 157.4558135894.

The spelling of 3903697 in words is "three million, nine hundred three thousand, six hundred ninety-seven".