6897249 has 6 divisors (see below), whose sum is σ = 9962706. Its totient is φ = 4598160.

The previous prime is 6897211. The next prime is 6897271. The reversal of 6897249 is 9427986.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5832225 + 1065024 = 2415^2 + 1032^2 .

It is not a de Polignac number, because 6897249 - 2⁹ = 6896737 is a prime.

It is a d-powerful number, because it can be written as 6³ + 8³ + 9 + 7 + 2²¹ + 4⁷ + 9⁷ .

It is not an unprimeable number, because it can be changed into a prime (6897299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383172 + ... + 383189.

It is an arithmetic number, because the mean of its divisors is an integer number (1660451).

Almost surely, 2^6897249 is an apocalyptic number.

It is an amenable number.

6897249 is a deficient number, since it is larger than the sum of its proper divisors (3065457).

6897249 is a wasteful number, since it uses less digits than its factorization.

6897249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766367 (or 766364 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 6897249 is about 2626.2614112080. The cubic root of 6897249 is about 190.3525218959.

The spelling of 6897249 in words is "six million, eight hundred ninety-seven thousand, two hundred forty-nine".