6955999 has 4 divisors (see below), whose sum is σ = 6966520. Its totient is φ = 6945480.

The previous prime is 6955979. The next prime is 6956021. The reversal of 6955999 is 9995596.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6955999 - 2¹⁷ = 6824927 is a prime.

It is a Duffinian number.

6955999 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6955939) 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, 4197 + ... + 5614.

It is an arithmetic number, because the mean of its divisors is an integer number (1741630).

Almost surely, 2^6955999 is an apocalyptic number.

6955999 is a deficient number, since it is larger than the sum of its proper divisors (10521).

6955999 is an equidigital number, since it uses as much as digits as its factorization.

6955999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10520.

The product of its digits is 984150, while the sum is 52.

The square root of 6955999 is about 2637.4227950786. The cubic root of 6955999 is about 190.8914617749.

The spelling of 6955999 in words is "six million, nine hundred fifty-five thousand, nine hundred ninety-nine".