6840231 has 8 divisors (see below), whose sum is σ = 9256704. Its totient is φ = 4491960.

The previous prime is 6840221. The next prime is 6840241. The reversal of 6840231 is 1320486.

It is a happy number.

6840231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6840221) and next prime (6840241).

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

It is not a de Polignac number, because 6840231 - 2⁵ = 6840199 is a prime.

It is a super-2 number, since 2×6840231² = 93577520266722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840221) 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, 16815 + ... + 17216.

It is an arithmetic number, because the mean of its divisors is an integer number (1157088).

Almost surely, 2^6840231 is an apocalyptic number.

6840231 is a deficient number, since it is larger than the sum of its proper divisors (2416473).

6840231 is a wasteful number, since it uses less digits than its factorization.

6840231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34101.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 6840231 is about 2615.3835282803. The cubic root of 6840231 is about 189.8265360486.

The spelling of 6840231 in words is "six million, eight hundred forty thousand, two hundred thirty-one".