8181034 has 8 divisors (see below), whose sum is σ = 12316068. Its totient is φ = 4075680.

The previous prime is 8181023. The next prime is 8181049. The reversal of 8181034 is 4301818.

It can be written as a sum of positive squares in 2 ways, for example, as 8105409 + 75625 = 2847^2 + 275^2 .

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

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6717 + ... + 7840.

Almost surely, 2^8181034 is an apocalyptic number.

8181034 is a deficient number, since it is larger than the sum of its proper divisors (4135034).

8181034 is a wasteful number, since it uses less digits than its factorization.

8181034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14840.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 8181034 is about 2860.2506883139. The cubic root of 8181034 is about 201.4973779848.

The spelling of 8181034 in words is "eight million, one hundred eighty-one thousand, thirty-four".