3974741 has 2 divisors, whose sum is σ = 3974742. Its totient is φ = 3974740.

The previous prime is 3974723. The next prime is 3974749. The reversal of 3974741 is 1474793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3960100 + 14641 = 1990^2 + 121^2 .

It is an emirp because it is prime and its reverse (1474793) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3974741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3974749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987370 + 1987371.

It is an arithmetic number, because the mean of its divisors is an integer number (1987371).

Almost surely, 2^3974741 is an apocalyptic number.

It is an amenable number.

3974741 is a deficient number, since it is larger than the sum of its proper divisors (1).

3974741 is an equidigital number, since it uses as much as digits as its factorization.

3974741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 35.

The square root of 3974741 is about 1993.6752493824. The cubic root of 3974741 is about 158.4052647002.

The spelling of 3974741 in words is "three million, nine hundred seventy-four thousand, seven hundred forty-one".