8186042 has 8 divisors (see below), whose sum is σ = 12417300. Its totient is φ = 4046944.

The previous prime is 8186029. The next prime is 8186051. The reversal of 8186042 is 2406818.

It can be written as a sum of positive squares in 2 ways, for example, as 6195121 + 1990921 = 2489^2 + 1411^2 .

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

It is a super-2 number, since 2×8186042² = 134022567251528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8185996 and 8186014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22817 + ... + 23172.

Almost surely, 2^8186042 is an apocalyptic number.

8186042 is a deficient number, since it is larger than the sum of its proper divisors (4231258).

8186042 is a wasteful number, since it uses less digits than its factorization.

8186042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46080.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 8186042 is about 2861.1260021187. The cubic root of 8186042 is about 201.5384849741.

The spelling of 8186042 in words is "eight million, one hundred eighty-six thousand, forty-two".