426744 has 24 divisors (see below), whose sum is σ = 1155960. Its totient is φ = 142224.

The previous prime is 426743. The next prime is 426757. The reversal of 426744 is 447624.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×426744² = 364220883072, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426743) 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, 2892 + ... + 3035.

It is an arithmetic number, because the mean of its divisors is an integer number (48165).

2⁴²⁶⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

426744 is an abundant number, since it is smaller than the sum of its proper divisors (729216).

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

426744 is a wasteful number, since it uses less digits than its factorization.

426744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939 (or 5932 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 426744 is about 653.2564580622. The cubic root of 426744 is about 75.2874303765.

It can be divided in two parts, 42 and 6744, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 426744 in words is "four hundred twenty-six thousand, seven hundred forty-four".