8138466 has 24 divisors (see below), whose sum is σ = 20152704. Its totient is φ = 2325240.

The previous prime is 8138443. The next prime is 8138467. The reversal of 8138466 is 6648318.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8138466.

It is not an unprimeable number, because it can be changed into a prime (8138467) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 32170 + ... + 32421.

It is an arithmetic number, because the mean of its divisors is an integer number (839696).

Almost surely, 2^8138466 is an apocalyptic number.

8138466 is an abundant number, since it is smaller than the sum of its proper divisors (12014238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8138466 is a wasteful number, since it uses less digits than its factorization.

8138466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64606 (or 64603 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 8138466 is about 2852.7996775098. The cubic root of 8138466 is about 201.1472893841.

The spelling of 8138466 in words is "eight million, one hundred thirty-eight thousand, four hundred sixty-six".