8118642 has 16 divisors (see below), whose sum is σ = 18556992. Its totient is φ = 2319600.

The previous prime is 8118641. The next prime is 8118653. The reversal of 8118642 is 2468118.

It is not an unprimeable number, because it can be changed into a prime (8118641) 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, 96609 + ... + 96692.

It is an arithmetic number, because the mean of its divisors is an integer number (1159812).

Almost surely, 2^8118642 is an apocalyptic number.

8118642 is an abundant number, since it is smaller than the sum of its proper divisors (10438350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8118642 is a wasteful number, since it uses less digits than its factorization.

8118642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193313.

The product of its digits is 3072, while the sum is 30.

The square root of 8118642 is about 2849.3230775046. The cubic root of 8118642 is about 200.9838357339.

It can be divided in two parts, 811 and 8642, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 8118642 in words is "eight million, one hundred eighteen thousand, six hundred forty-two".