8438274 has 24 divisors (see below), whose sum is σ = 19689852. Its totient is φ = 2596320.

The previous prime is 8438207. The next prime is 8438281. The reversal of 8438274 is 4728348.

It can be written as a sum of positive squares in 2 ways, for example, as 7601049 + 837225 = 2757^2 + 915^2 .

It is a d-powerful number, because it can be written as 8 + 4⁴ + 3⁵ + 8⁵ + 2²³ + 7 + 4⁷ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17797 + ... + 18264.

Almost surely, 2^8438274 is an apocalyptic number.

8438274 is an abundant number, since it is smaller than the sum of its proper divisors (11251578).

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

8438274 is a wasteful number, since it uses less digits than its factorization.

8438274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36082 (or 36079 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 8438274 is about 2904.8707372274. The cubic root of 8438274 is about 203.5875461187.

The spelling of 8438274 in words is "eight million, four hundred thirty-eight thousand, two hundred seventy-four".