8271842 has 4 divisors (see below), whose sum is σ = 12407766. Its totient is φ = 4135920.

The previous prime is 8271841. The next prime is 8271847. The reversal of 8271842 is 2481728.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8128201 + 143641 = 2851^2 + 379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8271799 and 8271808.

It is not an unprimeable number, because it can be changed into a prime (8271841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067959 + ... + 2067962.

Almost surely, 2^8271842 is an apocalyptic number.

8271842 is a deficient number, since it is larger than the sum of its proper divisors (4135924).

8271842 is a wasteful number, since it uses less digits than its factorization.

8271842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135923.

The product of its digits is 7168, while the sum is 32.

The square root of 8271842 is about 2876.0810141580. The cubic root of 8271842 is about 202.2401646296.

The spelling of 8271842 in words is "eight million, two hundred seventy-one thousand, eight hundred forty-two".