6987995 has 8 divisors (see below), whose sum is σ = 9583584. Its totient is φ = 4791744.

The previous prime is 6987983. The next prime is 6988039. The reversal of 6987995 is 5997896.

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

It is a cyclic number.

It is not a de Polignac number, because 6987995 - 2⁴ = 6987979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99794 + ... + 99863.

It is an arithmetic number, because the mean of its divisors is an integer number (1197948).

Almost surely, 2^6987995 is an apocalyptic number.

6987995 is a deficient number, since it is larger than the sum of its proper divisors (2595589).

6987995 is a wasteful number, since it uses less digits than its factorization.

6987995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199669.

The product of its digits is 1224720, while the sum is 53.

The square root of 6987995 is about 2643.4816057616. The cubic root of 6987995 is about 191.1836998032.

Subtracting from 6987995 its reverse (5997896), we obtain a palindrome (990099).

The spelling of 6987995 in words is "six million, nine hundred eighty-seven thousand, nine hundred ninety-five".