8149018 has 16 divisors (see below), whose sum is σ = 13092840. Its totient is φ = 3790336.

The previous prime is 8149007. The next prime is 8149027. The reversal of 8149018 is 8109418.

It can be written as a sum of positive squares in 4 ways, for example, as 6568969 + 1580049 = 2563^2 + 1257^2 .

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680 + ... + 4372.

Almost surely, 2^8149018 is an apocalyptic number.

8149018 is a deficient number, since it is larger than the sum of its proper divisors (4943822).

8149018 is a wasteful number, since it uses less digits than its factorization.

8149018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 8149018 is about 2854.6484897444. The cubic root of 8149018 is about 201.2341849383.

The spelling of 8149018 in words is "eight million, one hundred forty-nine thousand, eighteen".