8138274 has 32 divisors (see below), whose sum is σ = 17988480. Its totient is φ = 2441472.

The previous prime is 8138243. The next prime is 8138279. The reversal of 8138274 is 4728318.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8138279) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 612 + ... + 4080.

It is an arithmetic number, because the mean of its divisors is an integer number (562140).

Almost surely, 2^8138274 is an apocalyptic number.

8138274 is an abundant number, since it is smaller than the sum of its proper divisors (9850206).

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

8138274 is a wasteful number, since it uses less digits than its factorization.

8138274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514.

The product of its digits is 10752, while the sum is 33.

The square root of 8138274 is about 2852.7660261578. The cubic root of 8138274 is about 201.1457075716.

The spelling of 8138274 in words is "eight million, one hundred thirty-eight thousand, two hundred seventy-four".