8284742 has 4 divisors (see below), whose sum is σ = 12427116. Its totient is φ = 4142370.

The previous prime is 8284739. The next prime is 8284823. The reversal of 8284742 is 2474828.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2071184 + ... + 2071187.

It is an arithmetic number, because the mean of its divisors is an integer number (3106779).

Almost surely, 2^8284742 is an apocalyptic number.

8284742 is a deficient number, since it is larger than the sum of its proper divisors (4142374).

8284742 is a wasteful number, since it uses less digits than its factorization.

8284742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142373.

The product of its digits is 28672, while the sum is 35.

The square root of 8284742 is about 2878.3227755066. The cubic root of 8284742 is about 202.3452417132.

The spelling of 8284742 in words is "eight million, two hundred eighty-four thousand, seven hundred forty-two".