6955989 has 4 divisors (see below), whose sum is σ = 9274656. Its totient is φ = 4637324.

The previous prime is 6955979. The next prime is 6956021. The reversal of 6955989 is 9895596.

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 not a de Polignac number, because 6955989 - 2⁸ = 6955733 is a prime.

It is a D-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, 1159329 + ... + 1159334.

It is an arithmetic number, because the mean of its divisors is an integer number (2318664).

Almost surely, 2^6955989 is an apocalyptic number.

It is an amenable number.

6955989 is a deficient number, since it is larger than the sum of its proper divisors (2318667).

6955989 is a wasteful number, since it uses less digits than its factorization.

6955989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318666.

The product of its digits is 874800, while the sum is 51.

The square root of 6955989 is about 2637.4208992878. The cubic root of 6955989 is about 190.8913702991.

The spelling of 6955989 in words is "six million, nine hundred fifty-five thousand, nine hundred eighty-nine".