6429937 has 2 divisors, whose sum is σ = 6429938. Its totient is φ = 6429936.

The previous prime is 6429931. The next prime is 6429947. The reversal of 6429937 is 7399246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6155361 + 274576 = 2481^2 + 524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6429937 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6429937.

It is not a weakly prime, because it can be changed into another prime (6429931) 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 as a sum of consecutive naturals, namely, 3214968 + 3214969.

It is an arithmetic number, because the mean of its divisors is an integer number (3214969).

Almost surely, 2^6429937 is an apocalyptic number.

It is an amenable number.

6429937 is a deficient number, since it is larger than the sum of its proper divisors (1).

6429937 is an equidigital number, since it uses as much as digits as its factorization.

6429937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 6429937 is about 2535.7320442034. The cubic root of 6429937 is about 185.9525932290.

The spelling of 6429937 in words is "six million, four hundred twenty-nine thousand, nine hundred thirty-seven".