3974903 has 4 divisors (see below), whose sum is σ = 4011480. Its totient is φ = 3938328.

The previous prime is 3974897. The next prime is 3974911. The reversal of 3974903 is 3094793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3974903 - 2²⁰ = 2926327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970903) 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, 18125 + ... + 18342.

It is an arithmetic number, because the mean of its divisors is an integer number (1002870).

Almost surely, 2^3974903 is an apocalyptic number.

3974903 is a deficient number, since it is larger than the sum of its proper divisors (36577).

3974903 is a wasteful number, since it uses less digits than its factorization.

3974903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36576.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 3974903 is about 1993.7158774509. The cubic root of 3974903 is about 158.4074167318.

It can be divided in two parts, 397 and 4903, that multiplied together give a palindrome (1946491).

The spelling of 3974903 in words is "three million, nine hundred seventy-four thousand, nine hundred three".