842064 has 40 divisors (see below), whose sum is σ = 2223072. Its totient is φ = 274560.

The previous prime is 842063. The next prime is 842071. The reversal of 842064 is 460248.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842063) 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, 2379 + ... + 2709.

2⁸⁴²⁰⁶⁴ 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 842064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111536).

842064 is an abundant number, since it is smaller than the sum of its proper divisors (1381008).

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

842064 is a wasteful number, since it uses less digits than its factorization.

842064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 842064 is about 917.6404524649. The cubic root of 842064 is about 94.4310967168.

The spelling of 842064 in words is "eight hundred forty-two thousand, sixty-four".