8442078 has 16 divisors (see below), whose sum is σ = 16932240. Its totient is φ = 2806016.

The previous prime is 8442059. The next prime is 8442079. The reversal of 8442078 is 8702448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442079) 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, 526 + ... + 4142.

It is an arithmetic number, because the mean of its divisors is an integer number (1058265).

Almost surely, 2^8442078 is an apocalyptic number.

8442078 is an abundant number, since it is smaller than the sum of its proper divisors (8490162).

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

8442078 is a wasteful number, since it uses less digits than its factorization.

8442078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011.

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

The square root of 8442078 is about 2905.5254258051. The cubic root of 8442078 is about 203.6181341544.

The spelling of 8442078 in words is "eight million, four hundred forty-two thousand, seventy-eight".