6629889 has 16 divisors (see below), whose sum is σ = 10275840. Its totient is φ = 3723600.

The previous prime is 6629873. The next prime is 6629891. The reversal of 6629889 is 9889266.

It is not a de Polignac number, because 6629889 - 2⁴ = 6629873 is a prime.

6629889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6619889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437 + ... + 3914.

It is an arithmetic number, because the mean of its divisors is an integer number (642240).

Almost surely, 2^6629889 is an apocalyptic number.

It is an amenable number.

6629889 is a deficient number, since it is larger than the sum of its proper divisors (3645951).

6629889 is a wasteful number, since it uses less digits than its factorization.

6629889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420.

The product of its digits is 373248, while the sum is 48.

The square root of 6629889 is about 2574.8570834126. The cubic root of 6629889 is about 187.8604763034.

The spelling of 6629889 in words is "six million, six hundred twenty-nine thousand, eight hundred eighty-nine".