8915842 has 16 divisors (see below), whose sum is σ = 14568120. Its totient is φ = 4067712.

The previous prime is 8915839. The next prime is 8915843. The reversal of 8915842 is 2485198.

It can be written as a sum of positive squares in 4 ways, for example, as 7502121 + 1413721 = 2739^2 + 1189^2 .

It is not an unprimeable number, because it can be changed into a prime (8915843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388 + ... + 4240.

Almost surely, 2^8915842 is an apocalyptic number.

8915842 is a deficient number, since it is larger than the sum of its proper divisors (5652278).

8915842 is a wasteful number, since it uses less digits than its factorization.

8915842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957.

The product of its digits is 23040, while the sum is 37.

The square root of 8915842 is about 2985.9407227874. The cubic root of 8915842 is about 207.3579964205.

It can be divided in two parts, 89 and 15842, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 8915842 in words is "eight million, nine hundred fifteen thousand, eight hundred forty-two".