6992861 has 4 divisors (see below), whose sum is σ = 7091424. Its totient is φ = 6894300.

The previous prime is 6992849. The next prime is 6992879. The reversal of 6992861 is 1682996.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6992861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6992261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49175 + ... + 49316.

It is an arithmetic number, because the mean of its divisors is an integer number (1772856).

Almost surely, 2^6992861 is an apocalyptic number.

It is an amenable number.

6992861 is a deficient number, since it is larger than the sum of its proper divisors (98563).

6992861 is an equidigital number, since it uses as much as digits as its factorization.

6992861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98562.

The product of its digits is 46656, while the sum is 41.

The square root of 6992861 is about 2644.4018227191. The cubic root of 6992861 is about 191.2280656064.

The spelling of 6992861 in words is "six million, nine hundred ninety-two thousand, eight hundred sixty-one".