6396129 has 12 divisors (see below), whose sum is σ = 9262500. Its totient is φ = 4253184.

The previous prime is 6396113. The next prime is 6396133. The reversal of 6396129 is 9216936.

6396129 is a `hidden beast` number, since 6 + 39 + 612 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1782225 + 4613904 = 1335^2 + 2148^2 .

It is not a de Polignac number, because 6396129 - 2⁴ = 6396113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6396093 and 6396102.

It is not an unprimeable number, because it can be changed into a prime (6391129) 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, 4497 + ... + 5745.

It is an arithmetic number, because the mean of its divisors is an integer number (771875).

Almost surely, 2^6396129 is an apocalyptic number.

It is an amenable number.

6396129 is a deficient number, since it is larger than the sum of its proper divisors (2866371).

6396129 is a wasteful number, since it uses less digits than its factorization.

6396129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1821 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 6396129 is about 2529.0569388608. The cubic root of 6396129 is about 185.6261133151.

The spelling of 6396129 in words is "six million, three hundred ninety-six thousand, one hundred twenty-nine".