627434889 has 8 divisors (see below), whose sum is σ = 836731680. Its totient is φ = 418214016.

The previous prime is 627434831. The next prime is 627434909. The reversal of 627434889 is 988434726.

627434889 is digitally balanced in base 2, 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 627434889 - 2¹³ = 627426697 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (627474889) 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, 4434 + ... + 35700.

It is an arithmetic number, because the mean of its divisors is an integer number (104591460).

Almost surely, 2^627434889 is an apocalyptic number.

It is an amenable number.

627434889 is a deficient number, since it is larger than the sum of its proper divisors (209296791).

627434889 is a wasteful number, since it uses less digits than its factorization.

627434889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37959.

The product of its digits is 2322432, while the sum is 51.

The square root of 627434889 is about 25048.6504426885. The cubic root of 627434889 is about 856.0968283812.

The spelling of 627434889 in words is "six hundred twenty-seven million, four hundred thirty-four thousand, eight hundred eighty-nine".