6854431 has 4 divisors (see below), whose sum is σ = 6871600. Its totient is φ = 6837264.

The previous prime is 6854429. The next prime is 6854453. The reversal of 6854431 is 1344586.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1344586 = 2 ⋅672293.

It is a cyclic number.

It is not a de Polignac number, because 6854431 - 2¹ = 6854429 is a prime.

It is a super-2 number, since 2×6854431² = 93966448667522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6854393 and 6854402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6854401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7971 + ... + 8788.

It is an arithmetic number, because the mean of its divisors is an integer number (1717900).

Almost surely, 2^6854431 is an apocalyptic number.

6854431 is a deficient number, since it is larger than the sum of its proper divisors (17169).

6854431 is a wasteful number, since it uses less digits than its factorization.

6854431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17168.

The product of its digits is 11520, while the sum is 31.

The square root of 6854431 is about 2618.0968278503. The cubic root of 6854431 is about 189.9578022632.

The spelling of 6854431 in words is "six million, eight hundred fifty-four thousand, four hundred thirty-one".