426396 has 12 divisors (see below), whose sum is σ = 994952. Its totient is φ = 142128.

The previous prime is 426389. The next prime is 426401. The reversal of 426396 is 693624.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 4⁵ + 2¹⁷ + 3³ + 6⁵ + 9⁴ + 6⁷ .

It is a congruent number.

It is an unprimeable number.

426396 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, 17755 + ... + 17778.

2⁴²⁶³⁹⁶ is an apocalyptic number.

It is an amenable number.

426396 is an abundant number, since it is smaller than the sum of its proper divisors (568556).

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

426396 is a wasteful number, since it uses less digits than its factorization.

426396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35540 (or 35538 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 426396 is about 652.9900458659. The cubic root of 426396 is about 75.2669597502.

Adding to 426396 its sum of digits (30), we get a triangular number (426426 = T₉₂₃).

The spelling of 426396 in words is "four hundred twenty-six thousand, three hundred ninety-six".