626349 has 8 divisors (see below), whose sum is σ = 839232. Its totient is φ = 415520.

The previous prime is 626347. The next prime is 626363. The reversal of 626349 is 943626.

626349 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 a cyclic number.

It is not a de Polignac number, because 626349 - 2¹ = 626347 is a prime.

626349 is strictly pandigital in base 7.

626349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472 + ... + 1214.

It is an arithmetic number, because the mean of its divisors is an integer number (104904).

2⁶²⁶³⁴⁹ is an apocalyptic number.

It is an amenable number.

626349 is a deficient number, since it is larger than the sum of its proper divisors (212883).

626349 is a wasteful number, since it uses less digits than its factorization.

626349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027.

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

The square root of 626349 is about 791.4221376737. The cubic root of 626349 is about 85.5602666646.

The spelling of 626349 in words is "six hundred twenty-six thousand, three hundred forty-nine".