6396249 has 8 divisors (see below), whose sum is σ = 8673120. Its totient is φ = 4191776.

The previous prime is 6396241. The next prime is 6396259. The reversal of 6396249 is 9426936.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6396249 - 2³ = 6396241 is a prime.

It is a d-powerful number, because it can be written as 6² + 3¹³ + 9³ + 6⁴ + 2⁹ + 4⁷ + 9⁷ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6396241) 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 in 7 ways as a sum of consecutive naturals, for example, 17892 + ... + 18245.

It is an arithmetic number, because the mean of its divisors is an integer number (1084140).

Almost surely, 2^6396249 is an apocalyptic number.

It is an amenable number.

6396249 is a deficient number, since it is larger than the sum of its proper divisors (2276871).

6396249 is a wasteful number, since it uses less digits than its factorization.

6396249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36199.

The product of its digits is 69984, while the sum is 39.

The square root of 6396249 is about 2529.0806630078. The cubic root of 6396249 is about 185.6272741732.

The spelling of 6396249 in words is "six million, three hundred ninety-six thousand, two hundred forty-nine".