3974129 has 2 divisors, whose sum is σ = 3974130. Its totient is φ = 3974128.

The previous prime is 3974093. The next prime is 3974143. The reversal of 3974129 is 9214793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2146225 + 1827904 = 1465^2 + 1352^2 .

It is a cyclic number.

It is not a de Polignac number, because 3974129 - 2¹² = 3970033 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3971129) 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, 1987064 + 1987065.

It is an arithmetic number, because the mean of its divisors is an integer number (1987065).

Almost surely, 2^3974129 is an apocalyptic number.

It is an amenable number.

3974129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3974129 is an equidigital number, since it uses as much as digits as its factorization.

3974129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 3974129 is about 1993.5217580955. The cubic root of 3974129 is about 158.3971342754.

The spelling of 3974129 in words is "three million, nine hundred seventy-four thousand, one hundred twenty-nine".