6942381 has 8 divisors (see below), whose sum is σ = 9338880. Its totient is φ = 4587072.

The previous prime is 6942379. The next prime is 6942401. The reversal of 6942381 is 1832496.

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

It is not a de Polignac number, because 6942381 - 2¹ = 6942379 is a prime.

It is a super-2 number, since 2×6942381² = 96393307898322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁵ + 9⁷ + 4⁴ + 2¹⁹ + 3¹³ + 8⁵ + 1 .

6942381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6942301) 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, 9901 + ... + 10578.

It is an arithmetic number, because the mean of its divisors is an integer number (1167360).

Almost surely, 2^6942381 is an apocalyptic number.

It is an amenable number.

6942381 is a deficient number, since it is larger than the sum of its proper divisors (2396499).

6942381 is a wasteful number, since it uses less digits than its factorization.

6942381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20595.

The product of its digits is 10368, while the sum is 33.

The square root of 6942381 is about 2634.8398433301. The cubic root of 6942381 is about 190.7668087864.

The spelling of 6942381 in words is "six million, nine hundred forty-two thousand, three hundred eighty-one".