457626 has 16 divisors (see below), whose sum is σ = 985824. Its totient is φ = 140784.

The previous prime is 457621. The next prime is 457643. The reversal of 457626 is 626754.

It is a Curzon number.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 457593 and 457602.

It is not an unprimeable number, because it can be changed into a prime (457621) by changing a digit.

457626 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2856 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (61614).

2⁴⁵⁷⁶²⁶ is an apocalyptic number.

457626 is an abundant number, since it is smaller than the sum of its proper divisors (528198).

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

457626 is a wasteful number, since it uses less digits than its factorization.

457626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885.

The product of its digits is 10080, while the sum is 30.

The square root of 457626 is about 676.4805983914. The cubic root of 457626 is about 77.0614003990.

It can be divided in two parts, 4 and 57626, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 457626 in words is "four hundred fifty-seven thousand, six hundred twenty-six".