3903973 has 2 divisors, whose sum is σ = 3903974. Its totient is φ = 3903972.

The previous prime is 3903947. The next prime is 3904001. The reversal of 3903973 is 3793093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3323329 + 580644 = 1823^2 + 762^2 .

It is a cyclic number.

It is not a de Polignac number, because 3903973 - 2⁹ = 3903461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3903073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951986 + 1951987.

It is an arithmetic number, because the mean of its divisors is an integer number (1951987).

Almost surely, 2^3903973 is an apocalyptic number.

It is an amenable number.

3903973 is a deficient number, since it is larger than the sum of its proper divisors (1).

3903973 is an equidigital number, since it uses as much as digits as its factorization.

3903973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309, while the sum is 34.

The square root of 3903973 is about 1975.8474131370. The cubic root of 3903973 is about 157.4595243266.

The spelling of 3903973 in words is "three million, nine hundred three thousand, nine hundred seventy-three".