626493 has 8 divisors (see below), whose sum is σ = 954688. Its totient is φ = 357984.

The previous prime is 626489. The next prime is 626519. The reversal of 626493 is 394626.

626493 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 626493 - 2² = 626489 is a prime.

626493 is strictly pandigital in base 7.

It is a Curzon number.

626493 is a lucky number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 626493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626443) 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, 14896 + ... + 14937.

It is an arithmetic number, because the mean of its divisors is an integer number (119336).

2⁶²⁶⁴⁹³ is an apocalyptic number.

It is an amenable number.

626493 is a deficient number, since it is larger than the sum of its proper divisors (328195).

626493 is a wasteful number, since it uses less digits than its factorization.

626493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29843.

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

The square root of 626493 is about 791.5131079142. The cubic root of 626493 is about 85.5668230383.

It can be divided in two parts, 62 and 6493, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 626493 in words is "six hundred twenty-six thousand, four hundred ninety-three".