3962641 has 2 divisors, whose sum is σ = 3962642. Its totient is φ = 3962640.

The previous prime is 3962627. The next prime is 3962653. The reversal of 3962641 is 1462693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3478225 + 484416 = 1865^2 + 696^2 .

It is an emirp because it is prime and its reverse (1462693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3962641 - 2¹⁹ = 3438353 is a prime.

It is a Chen prime.

3962641 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3962611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1981320 + 1981321.

It is an arithmetic number, because the mean of its divisors is an integer number (1981321).

Almost surely, 2^3962641 is an apocalyptic number.

It is an amenable number.

3962641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3962641 is an equidigital number, since it uses as much as digits as its factorization.

3962641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 3962641 is about 1990.6383398297. The cubic root of 3962641 is about 158.2443609703.

The spelling of 3962641 in words is "three million, nine hundred sixty-two thousand, six hundred forty-one".