3906663287 has 4 divisors (see below), whose sum is σ = 3907760856. Its totient is φ = 3905565720.

The previous prime is 3906663281. The next prime is 3906663301. The reversal of 3906663287 is 7823666093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7823666093 = 1321 ⋅5922533.

It is a cyclic number.

It is not a de Polignac number, because 3906663287 - 2⁸ = 3906663031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906663281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543428 + ... + 550569.

It is an arithmetic number, because the mean of its divisors is an integer number (976940214).

Almost surely, 2^3906663287 is an apocalyptic number.

3906663287 is a deficient number, since it is larger than the sum of its proper divisors (1097569).

3906663287 is a wasteful number, since it uses less digits than its factorization.

3906663287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097568.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The square root of 3906663287 is about 62503.3062085519. The cubic root of 3906663287 is about 1574.9568527023.

The spelling of 3906663287 in words is "three billion, nine hundred six million, six hundred sixty-three thousand, two hundred eighty-seven".