3974437 has 2 divisors, whose sum is σ = 3974438. Its totient is φ = 3974436.

The previous prime is 3974419. The next prime is 3974441. The reversal of 3974437 is 7344793.

3974437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2208196 + 1766241 = 1486^2 + 1329^2 .

It is a cyclic number.

It is not a de Polignac number, because 3974437 - 2⁷ = 3974309 is a prime.

It is a super-2 number, since 2×3974437² = 31592298933938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3974396 and 3974405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3974497) 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 as a sum of consecutive naturals, namely, 1987218 + 1987219.

It is an arithmetic number, because the mean of its divisors is an integer number (1987219).

Almost surely, 2^3974437 is an apocalyptic number.

It is an amenable number.

3974437 is a deficient number, since it is larger than the sum of its proper divisors (1).

3974437 is an equidigital number, since it uses as much as digits as its factorization.

3974437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 37.

The square root of 3974437 is about 1993.5990068216. The cubic root of 3974437 is about 158.4012261622.

The spelling of 3974437 in words is "three million, nine hundred seventy-four thousand, four hundred thirty-seven".