8731995 has 16 divisors (see below), whose sum is σ = 14007840. Its totient is φ = 4644864.

The previous prime is 8731993. The next prime is 8732023. The reversal of 8731995 is 5991378.

It is a happy number.

8731995 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8731995 - 2¹ = 8731993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8731991) 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, 10971 + ... + 11739.

It is an arithmetic number, because the mean of its divisors is an integer number (875490).

Almost surely, 2^8731995 is an apocalyptic number.

8731995 is a deficient number, since it is larger than the sum of its proper divisors (5275845).

8731995 is a wasteful number, since it uses less digits than its factorization.

8731995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534.

The product of its digits is 68040, while the sum is 42.

The square root of 8731995 is about 2954.9949238535. The cubic root of 8731995 is about 205.9228274727.

The spelling of 8731995 in words is "eight million, seven hundred thirty-one thousand, nine hundred ninety-five".