3962591 has 2 divisors, whose sum is σ = 3962592. Its totient is φ = 3962590.

The previous prime is 3962587. The next prime is 3962593. The reversal of 3962591 is 1952693.

It is a strong prime.

It is an emirp because it is prime and its reverse (1952693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3962591 - 2² = 3962587 is a prime.

Together with 3962593, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3962593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1981295 + 1981296.

It is an arithmetic number, because the mean of its divisors is an integer number (1981296).

Almost surely, 2^3962591 is an apocalyptic number.

3962591 is a deficient number, since it is larger than the sum of its proper divisors (1).

3962591 is an equidigital number, since it uses as much as digits as its factorization.

3962591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 35.

The square root of 3962591 is about 1990.6257810046. The cubic root of 3962591 is about 158.2436953997.

The spelling of 3962591 in words is "three million, nine hundred sixty-two thousand, five hundred ninety-one".