6923439 has 12 divisors (see below), whose sum is σ = 10165272. Its totient is φ = 4539600.

The previous prime is 6923419. The next prime is 6923459. The reversal of 6923439 is 9343296.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6923419) and next prime (6923459).

It is not a de Polignac number, because 6923439 - 2¹³ = 6915247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6923419) 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 11 ways as a sum of consecutive naturals, for example, 5757 + ... + 6854.

It is an arithmetic number, because the mean of its divisors is an integer number (847106).

Almost surely, 2^6923439 is an apocalyptic number.

6923439 is a deficient number, since it is larger than the sum of its proper divisors (3241833).

6923439 is a wasteful number, since it uses less digits than its factorization.

6923439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678 (or 12675 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 6923439 is about 2631.2428622231. The cubic root of 6923439 is about 190.5931509632.

The spelling of 6923439 in words is "six million, nine hundred twenty-three thousand, four hundred thirty-nine".