624426 has 16 divisors (see below), whose sum is σ = 1362528. Its totient is φ = 189200.

The previous prime is 624419. The next prime is 624443.

624426 is nontrivially palindromic in base 10.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 624396 and 624405.

It is an unprimeable number.

624426 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 7 ways as a sum of consecutive naturals, for example, 4665 + ... + 4796.

It is an arithmetic number, because the mean of its divisors is an integer number (85158).

2⁶²⁴⁴²⁶ is an apocalyptic number.

624426 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

624426 is an abundant number, since it is smaller than the sum of its proper divisors (738102).

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

624426 is a wasteful number, since it uses less digits than its factorization.

624426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9477.

The product of its digits is 2304, while the sum is 24.

The square root of 624426 is about 790.2063021768. The cubic root of 624426 is about 85.4726152852.

The spelling of 624426 in words is "six hundred twenty-four thousand, four hundred twenty-six".