626855849 has 4 divisors (see below), whose sum is σ = 641433936. Its totient is φ = 612277764.

The previous prime is 626855843. The next prime is 626855881. The reversal of 626855849 is 948558626.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 626855849 - 2⁴ = 626855833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 626855849.

It is not an unprimeable number, because it can be changed into a prime (626855843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7288979 + ... + 7289064.

It is an arithmetic number, because the mean of its divisors is an integer number (160358484).

Almost surely, 2^626855849 is an apocalyptic number.

It is an amenable number.

626855849 is a deficient number, since it is larger than the sum of its proper divisors (14578087).

626855849 is a wasteful number, since it uses less digits than its factorization.

626855849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14578086.

The product of its digits is 4147200, while the sum is 53.

The square root of 626855849 is about 25037.0894674281. The cubic root of 626855849 is about 855.8333923459.

The spelling of 626855849 in words is "six hundred twenty-six million, eight hundred fifty-five thousand, eight hundred forty-nine".