6629379 has 4 divisors (see below), whose sum is σ = 8839176. Its totient is φ = 4419584.

The previous prime is 6629377. The next prime is 6629383. The reversal of 6629379 is 9739266.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6629379 - 2¹ = 6629377 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6629379.

It is not an unprimeable number, because it can be changed into a prime (6629377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104894 + ... + 1104899.

It is an arithmetic number, because the mean of its divisors is an integer number (2209794).

Almost surely, 2^6629379 is an apocalyptic number.

6629379 is a deficient number, since it is larger than the sum of its proper divisors (2209797).

6629379 is a wasteful number, since it uses less digits than its factorization.

6629379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209796.

The product of its digits is 122472, while the sum is 42.

The square root of 6629379 is about 2574.7580468852. The cubic root of 6629379 is about 187.8556591640.

The spelling of 6629379 in words is "six million, six hundred twenty-nine thousand, three hundred seventy-nine".