426236 has 24 divisors (see below), whose sum is σ = 804384. Its totient is φ = 197120.

The previous prime is 426233. The next prime is 426253. The reversal of 426236 is 632624.

426236 = T₂₄ + T₂₅ + ... + T₁₃₆.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3716 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (33516).

2⁴²⁶²³⁶ is an apocalyptic number.

426236 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

426236 is a deficient number, since it is larger than the sum of its proper divisors (378148).

426236 is a wasteful number, since it uses less digits than its factorization.

426236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 179 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 426236 is about 652.8675210179. The cubic root of 426236 is about 75.2575442303.

The spelling of 426236 in words is "four hundred twenty-six thousand, two hundred thirty-six".