426428 has 12 divisors (see below), whose sum is σ = 790272. Its totient is φ = 200640.

The previous prime is 426427. The next prime is 426469. The reversal of 426428 is 824624.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 426397 and 426406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3068 + ... + 3203.

It is an arithmetic number, because the mean of its divisors is an integer number (65856).

2⁴²⁶⁴²⁸ is an apocalyptic number.

It is an amenable number.

426428 is a deficient number, since it is larger than the sum of its proper divisors (363844).

426428 is a wasteful number, since it uses less digits than its factorization.

426428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292 (or 6290 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 426428 is about 653.0145480768. The cubic root of 426428 is about 75.2688425716.

The spelling of 426428 in words is "four hundred twenty-six thousand, four hundred twenty-eight".