6629387 has 2 divisors, whose sum is σ = 6629388. Its totient is φ = 6629386.

The previous prime is 6629383. The next prime is 6629393. The reversal of 6629387 is 7839266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6629387 - 2² = 6629383 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 6⁷ + 2¹⁹ + 9 + 3¹⁰ + 8 + 7⁸ .

It is not a weakly prime, because it can be changed into another prime (6629383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3314693 + 3314694.

It is an arithmetic number, because the mean of its divisors is an integer number (3314694).

Almost surely, 2^6629387 is an apocalyptic number.

6629387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6629387 is an equidigital number, since it uses as much as digits as its factorization.

6629387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 6629387 is about 2574.7596004287. The cubic root of 6629387 is about 187.8557347289.

The spelling of 6629387 in words is "six million, six hundred twenty-nine thousand, three hundred eighty-seven".