6439097 has 4 divisors (see below), whose sum is σ = 7358976. Its totient is φ = 5519220.

The previous prime is 6439067. The next prime is 6439123. The reversal of 6439097 is 7909346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6439097 - 2⁶ = 6439033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6439097.

It is not an unprimeable number, because it can be changed into a prime (6439007) 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, 459929 + ... + 459942.

It is an arithmetic number, because the mean of its divisors is an integer number (1839744).

Almost surely, 2^6439097 is an apocalyptic number.

It is an amenable number.

6439097 is a deficient number, since it is larger than the sum of its proper divisors (919879).

6439097 is an equidigital number, since it uses as much as digits as its factorization.

6439097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919878.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 6439097 is about 2537.5375859285. The cubic root of 6439097 is about 186.0408531684.

The spelling of 6439097 in words is "six million, four hundred thirty-nine thousand, ninety-seven".