6896381 has 4 divisors (see below), whose sum is σ = 6964764. Its totient is φ = 6828000.

The previous prime is 6896371. The next prime is 6896399. The reversal of 6896381 is 1836986.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4239481 + 2656900 = 2059^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 6896381 - 2⁶ = 6896317 is a prime.

It is a super-2 number, since 2×6896381² = 95120141794322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6896311) 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, 34040 + ... + 34241.

It is an arithmetic number, because the mean of its divisors is an integer number (1741191).

Almost surely, 2^6896381 is an apocalyptic number.

It is an amenable number.

6896381 is a deficient number, since it is larger than the sum of its proper divisors (68383).

6896381 is a wasteful number, since it uses less digits than its factorization.

6896381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68382.

The product of its digits is 62208, while the sum is 41.

The square root of 6896381 is about 2626.0961520858. The cubic root of 6896381 is about 190.3445364455.

The spelling of 6896381 in words is "six million, eight hundred ninety-six thousand, three hundred eighty-one".