3807987 has 16 divisors (see below), whose sum is σ = 5253120. Its totient is φ = 2452352.

The previous prime is 3807959. The next prime is 3808001. The reversal of 3807987 is 7897083.

It is a cyclic number.

It is not a de Polignac number, because 3807987 - 2⁸ = 3807731 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3807907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15814 + ... + 16052.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

Almost surely, 2^3807987 is an apocalyptic number.

3807987 is a deficient number, since it is larger than the sum of its proper divisors (1445133).

3807987 is a wasteful number, since it uses less digits than its factorization.

3807987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 3807987 is about 1951.4064158960. The cubic root of 3807987 is about 156.1583287340.

The spelling of 3807987 in words is "three million, eight hundred seven thousand, nine hundred eighty-seven".