8667842 has 8 divisors (see below), whose sum is σ = 13353276. Its totient is φ = 4216752.

The previous prime is 8667829. The next prime is 8667847. The reversal of 8667842 is 2487668.

It can be written as a sum of positive squares in 2 ways, for example, as 6046681 + 2621161 = 2459^2 + 1619^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8667842.

It is not an unprimeable number, because it can be changed into a prime (8667847) 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 3 ways as a sum of consecutive naturals, for example, 58493 + ... + 58640.

Almost surely, 2^8667842 is an apocalyptic number.

8667842 is a deficient number, since it is larger than the sum of its proper divisors (4685434).

8667842 is a wasteful number, since it uses less digits than its factorization.

8667842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117172.

The product of its digits is 129024, while the sum is 41.

The square root of 8667842 is about 2944.1199024496. The cubic root of 8667842 is about 205.4172900004.

The spelling of 8667842 in words is "eight million, six hundred sixty-seven thousand, eight hundred forty-two".