3956287 has 2 divisors, whose sum is σ = 3956288. Its totient is φ = 3956286.

The previous prime is 3956279. The next prime is 3956297. The reversal of 3956287 is 7826593.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3956287 - 2³ = 3956279 is a 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 (3956297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1978143 + 1978144.

It is an arithmetic number, because the mean of its divisors is an integer number (1978144).

Almost surely, 2^3956287 is an apocalyptic number.

3956287 is a deficient number, since it is larger than the sum of its proper divisors (1).

3956287 is an equidigital number, since it uses as much as digits as its factorization.

3956287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 3956287 is about 1989.0417290746. The cubic root of 3956287 is about 158.1597353740.

The spelling of 3956287 in words is "three million, nine hundred fifty-six thousand, two hundred eighty-seven".