8442012 has 48 divisors (see below), whose sum is σ = 20885760. Its totient is φ = 2648448.

The previous prime is 8442011. The next prime is 8442029. The reversal of 8442012 is 2102448.

It is a self number, because there is not a number n which added to its sum of digits gives 8442012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19939 + ... + 20357.

It is an arithmetic number, because the mean of its divisors is an integer number (435120).

Almost surely, 2^8442012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8442012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10442880).

8442012 is an abundant number, since it is smaller than the sum of its proper divisors (12443748).

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

8442012 is a wasteful number, since it uses less digits than its factorization.

8442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 8442012 is about 2905.5140681126. The cubic root of 8442012 is about 203.6176035255.

The spelling of 8442012 in words is "eight million, four hundred forty-two thousand, twelve".