6538629 has 4 divisors (see below), whose sum is σ = 8718176. Its totient is φ = 4359084.

The previous prime is 6538621. The next prime is 6538669. The reversal of 6538629 is 9268356.

6538629 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 6538629 - 2³ = 6538621 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6538621) 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 3 ways as a sum of consecutive naturals, for example, 1089769 + ... + 1089774.

It is an arithmetic number, because the mean of its divisors is an integer number (2179544).

Almost surely, 2^6538629 is an apocalyptic number.

It is an amenable number.

6538629 is a deficient number, since it is larger than the sum of its proper divisors (2179547).

6538629 is a wasteful number, since it uses less digits than its factorization.

6538629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179546.

The product of its digits is 77760, while the sum is 39.

The square root of 6538629 is about 2557.0743047475. The cubic root of 6538629 is about 186.9945283270.

The spelling of 6538629 in words is "six million, five hundred thirty-eight thousand, six hundred twenty-nine".