8286442 has 4 divisors (see below), whose sum is σ = 12429666. Its totient is φ = 4143220.

The previous prime is 8286437. The next prime is 8286461. The reversal of 8286442 is 2446828.

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., 5331481 + 2954961 = 2309^2 + 1719^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8286398 and 8286407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071609 + ... + 2071612.

Almost surely, 2^8286442 is an apocalyptic number.

8286442 is a deficient number, since it is larger than the sum of its proper divisors (4143224).

8286442 is a wasteful number, since it uses less digits than its factorization.

8286442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143223.

The product of its digits is 24576, while the sum is 34.

The square root of 8286442 is about 2878.6180712279. The cubic root of 8286442 is about 202.3590809446.

The spelling of 8286442 in words is "eight million, two hundred eighty-six thousand, four hundred forty-two".