426078 has 12 divisors (see below), whose sum is σ = 923208. Its totient is φ = 142020.

The previous prime is 426077. The next prime is 426089. The reversal of 426078 is 870624.

426078 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11818 + ... + 11853.

It is an arithmetic number, because the mean of its divisors is an integer number (76934).

2⁴²⁶⁰⁷⁸ is an apocalyptic number.

426078 is an abundant number, since it is smaller than the sum of its proper divisors (497130).

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

426078 is a wasteful number, since it uses less digits than its factorization.

426078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23679 (or 23676 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 426078 is about 652.7465051611. The cubic root of 426078 is about 75.2482440917.

The spelling of 426078 in words is "four hundred twenty-six thousand, seventy-eight".