4095987 has 8 divisors (see below), whose sum is σ = 6241536. Its totient is φ = 2340552.

The previous prime is 4095979. The next prime is 4095991. The reversal of 4095987 is 7895904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4095987 - 2³ = 4095979 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (4095187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97503 + ... + 97544.

It is an arithmetic number, because the mean of its divisors is an integer number (780192).

Almost surely, 2^4095987 is an apocalyptic number.

4095987 is a deficient number, since it is larger than the sum of its proper divisors (2145549).

4095987 is a wasteful number, since it uses less digits than its factorization.

4095987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195057.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 4095987 is about 2023.8544908170. The cubic root of 4095987 is about 159.9998307290. Note that the first 3 decimals are identical.

The spelling of 4095987 in words is "four million, ninety-five thousand, nine hundred eighty-seven".