8286742 has 16 divisors (see below), whose sum is σ = 12892032. Its totient is φ = 3991680.

The previous prime is 8286731. The next prime is 8286743. The reversal of 8286742 is 2476828.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8286743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7867 + ... + 8857.

It is an arithmetic number, because the mean of its divisors is an integer number (805752).

Almost surely, 2^8286742 is an apocalyptic number.

8286742 is a deficient number, since it is larger than the sum of its proper divisors (4605290).

8286742 is a wasteful number, since it uses less digits than its factorization.

8286742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143.

The product of its digits is 43008, while the sum is 37.

The square root of 8286742 is about 2878.6701790931. The cubic root of 8286742 is about 202.3615229654.

The spelling of 8286742 in words is "eight million, two hundred eighty-six thousand, seven hundred forty-two".