3808987 has 16 divisors (see below), whose sum is σ = 4936960. Its totient is φ = 2853792.

The previous prime is 3808979. The next prime is 3808993. The reversal of 3808987 is 7898083.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3808987 - 2³ = 3808979 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3808907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628 + ... + 2830.

It is an arithmetic number, because the mean of its divisors is an integer number (308560).

Almost surely, 2^3808987 is an apocalyptic number.

3808987 is a deficient number, since it is larger than the sum of its proper divisors (1127973).

3808987 is a wasteful number, since it uses less digits than its factorization.

3808987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 3808987 is about 1951.6626245332. The cubic root of 3808987 is about 156.1719969058.

The spelling of 3808987 in words is "three million, eight hundred eight thousand, nine hundred eighty-seven".