6936381 has 8 divisors (see below), whose sum is σ = 10276160. Its totient is φ = 4624236.

The previous prime is 6936367. The next prime is 6936403. The reversal of 6936381 is 1836396.

It is a happy number.

It is not a de Polignac number, because 6936381 - 2⁷ = 6936253 is a prime.

It is a super-2 number, since 2×6936381² = 96226762754322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6936301) 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, 128425 + ... + 128478.

It is an arithmetic number, because the mean of its divisors is an integer number (1284520).

Almost surely, 2^6936381 is an apocalyptic number.

It is an amenable number.

6936381 is a deficient number, since it is larger than the sum of its proper divisors (3339779).

6936381 is a wasteful number, since it uses less digits than its factorization.

6936381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256912 (or 256906 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6936381 is about 2633.7010080873. The cubic root of 6936381 is about 190.7118357757.

The spelling of 6936381 in words is "six million, nine hundred thirty-six thousand, three hundred eighty-one".