842464 has 24 divisors (see below), whose sum is σ = 1896048. Its totient is φ = 360960.

The previous prime is 842449. The next prime is 842473. The reversal of 842464 is 464248.

842464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 15.

It is a congruent number.

It is an unprimeable number.

842464 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657 + ... + 2104.

It is an arithmetic number, because the mean of its divisors is an integer number (79002).

2⁸⁴²⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

842464 is an abundant number, since it is smaller than the sum of its proper divisors (1053584).

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

842464 is a wasteful number, since it uses less digits than its factorization.

842464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778 (or 3770 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 842464 is about 917.8583768752. The cubic root of 842464 is about 94.4460466728.

The spelling of 842464 in words is "eight hundred forty-two thousand, four hundred sixty-four".