6896405 has 8 divisors (see below), whose sum is σ = 8477784. Its totient is φ = 5382400.

The previous prime is 6896399. The next prime is 6896423. The reversal of 6896405 is 5046986.

6896405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 306916 + 6589489 = 554^2 + 2567^2 .

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

It is not a de Polignac number, because 6896405 - 2¹⁰ = 6895381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16616 + ... + 17025.

It is an arithmetic number, because the mean of its divisors is an integer number (1059723).

Almost surely, 2^6896405 is an apocalyptic number.

It is an amenable number.

6896405 is a deficient number, since it is larger than the sum of its proper divisors (1581379).

6896405 is a wasteful number, since it uses less digits than its factorization.

6896405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33687.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 6896405 is about 2626.1007216023. The cubic root of 6896405 is about 190.3447572503.

The spelling of 6896405 in words is "six million, eight hundred ninety-six thousand, four hundred five".