6992439 has 8 divisors (see below), whose sum is σ = 9419760. Its totient is φ = 4613376.

The previous prime is 6992429. The next prime is 6992443. The reversal of 6992439 is 9342996.

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

It is not a de Polignac number, because 6992439 - 2⁵ = 6992407 is a prime.

6992439 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6992439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6992429) 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 7 ways as a sum of consecutive naturals, for example, 11724 + ... + 12305.

It is an arithmetic number, because the mean of its divisors is an integer number (1177470).

Almost surely, 2^6992439 is an apocalyptic number.

6992439 is a deficient number, since it is larger than the sum of its proper divisors (2427321).

6992439 is a wasteful number, since it uses less digits than its factorization.

6992439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24129.

The product of its digits is 104976, while the sum is 42.

The square root of 6992439 is about 2644.3220303133. The cubic root of 6992439 is about 191.2242188324.

The spelling of 6992439 in words is "six million, nine hundred ninety-two thousand, four hundred thirty-nine".