6897449 has 8 divisors (see below), whose sum is σ = 7539840. Its totient is φ = 6271056.

The previous prime is 6897431. The next prime is 6897463. The reversal of 6897449 is 9447986.

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 6897449 - 2²⁰ = 5848873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6897409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3089 + ... + 4830.

It is an arithmetic number, because the mean of its divisors is an integer number (942480).

Almost surely, 2^6897449 is an apocalyptic number.

It is an amenable number.

6897449 is a deficient number, since it is larger than the sum of its proper divisors (642391).

6897449 is a wasteful number, since it uses less digits than its factorization.

6897449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7999.

The product of its digits is 435456, while the sum is 47.

The square root of 6897449 is about 2626.2994878726. The cubic root of 6897449 is about 190.3543617665.

The spelling of 6897449 in words is "six million, eight hundred ninety-seven thousand, four hundred forty-nine".