424878 has 16 divisors (see below), whose sum is σ = 894720. Its totient is φ = 134136.

The previous prime is 424867. The next prime is 424889. The reversal of 424878 is 878424.

424878 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (424867) and next prime (424889).

It is a congruent number.

It is an unprimeable number.

424878 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 7 ways as a sum of consecutive naturals, for example, 1750 + ... + 1977.

It is an arithmetic number, because the mean of its divisors is an integer number (55920).

2⁴²⁴⁸⁷⁸ is an apocalyptic number.

424878 is an abundant number, since it is smaller than the sum of its proper divisors (469842).

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

424878 is a wasteful number, since it uses less digits than its factorization.

424878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751.

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

The square root of 424878 is about 651.8266640757. The cubic root of 424878 is about 75.1775349751.

The spelling of 424878 in words is "four hundred twenty-four thousand, eight hundred seventy-eight".