8168942 has 8 divisors (see below), whose sum is σ = 12974256. Its totient is φ = 3844192.

The previous prime is 8168939. The next prime is 8168947. The reversal of 8168942 is 2498618.

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

It is a super-2 number, since 2×8168942² = 133463226798728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8168896 and 8168905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8168947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120098 + ... + 120165.

It is an arithmetic number, because the mean of its divisors is an integer number (1621782).

Almost surely, 2^8168942 is an apocalyptic number.

8168942 is a deficient number, since it is larger than the sum of its proper divisors (4805314).

8168942 is a wasteful number, since it uses less digits than its factorization.

8168942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240282.

The product of its digits is 27648, while the sum is 38.

The square root of 8168942 is about 2858.1361059264. The cubic root of 8168942 is about 201.3980544473.

The spelling of 8168942 in words is "eight million, one hundred sixty-eight thousand, nine hundred forty-two".