6629247 has 12 divisors (see below), whose sum is σ = 9626760. Its totient is φ = 4395888.

The previous prime is 6629239. The next prime is 6629251. The reversal of 6629247 is 7429266.

It is a happy number.

6629247 is a `hidden beast` number, since 6 + 629 + 24 + 7 = 666.

It is not a de Polignac number, because 6629247 - 2³ = 6629239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6629237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97 + ... + 3642.

It is an arithmetic number, because the mean of its divisors is an integer number (802230).

Almost surely, 2^6629247 is an apocalyptic number.

6629247 is a deficient number, since it is larger than the sum of its proper divisors (2997513).

6629247 is a wasteful number, since it uses less digits than its factorization.

6629247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942 (or 3939 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 6629247 is about 2574.7324132810. The cubic root of 6629247 is about 187.8544123347.

The spelling of 6629247 in words is "six million, six hundred twenty-nine thousand, two hundred forty-seven".