6629091 has 8 divisors (see below), whose sum is σ = 10101504. Its totient is φ = 3788040.

The previous prime is 6629059. The next prime is 6629101. The reversal of 6629091 is 1909266.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6629091 - 2⁵ = 6629059 is a prime.

It is a Smith number, since the sum of its digits (33) 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 (6629041) 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, 157815 + ... + 157856.

It is an arithmetic number, because the mean of its divisors is an integer number (1262688).

Almost surely, 2^6629091 is an apocalyptic number.

6629091 is a deficient number, since it is larger than the sum of its proper divisors (3472413).

6629091 is a wasteful number, since it uses less digits than its factorization.

6629091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315681.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 6629091 is about 2574.7021186926. The cubic root of 6629091 is about 187.8529387878.

The spelling of 6629091 in words is "six million, six hundred twenty-nine thousand, ninety-one".