8278242 has 16 divisors (see below), whose sum is σ = 18921792. Its totient is φ = 2365200.

The previous prime is 8278211. The next prime is 8278247. The reversal of 8278242 is 2428728.

8278242 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8278242² = 137058581221128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8278247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98509 + ... + 98592.

It is an arithmetic number, because the mean of its divisors is an integer number (1182612).

Almost surely, 2^8278242 is an apocalyptic number.

8278242 is an abundant number, since it is smaller than the sum of its proper divisors (10643550).

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

8278242 is a wasteful number, since it uses less digits than its factorization.

8278242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197113.

The product of its digits is 14336, while the sum is 33.

The square root of 8278242 is about 2877.1934241549. The cubic root of 8278242 is about 202.2923095402.

The spelling of 8278242 in words is "eight million, two hundred seventy-eight thousand, two hundred forty-two".