6897961 has 8 divisors (see below), whose sum is σ = 7965440. Its totient is φ = 5851008.

The previous prime is 6897949. The next prime is 6897991. The reversal of 6897961 is 1697986.

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 6897961 - 2⁵ = 6897929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6897901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4401 + ... + 5758.

It is an arithmetic number, because the mean of its divisors is an integer number (995680).

Almost surely, 2^6897961 is an apocalyptic number.

It is an amenable number.

6897961 is a deficient number, since it is larger than the sum of its proper divisors (1067479).

6897961 is a wasteful number, since it uses less digits than its factorization.

6897961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10263.

The product of its digits is 163296, while the sum is 46.

The square root of 6897961 is about 2626.3969616187. The cubic root of 6897961 is about 190.3590716731.

The spelling of 6897961 in words is "six million, eight hundred ninety-seven thousand, nine hundred sixty-one".