6998005 has 16 divisors (see below), whose sum is σ = 9659520. Its totient is φ = 4767552.

The previous prime is 6997967. The next prime is 6998009. The reversal of 6998005 is 5008996.

It is a cyclic number.

It is not a de Polignac number, because 6998005 - 2¹¹ = 6995957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6998009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5707 + ... + 6823.

It is an arithmetic number, because the mean of its divisors is an integer number (603720).

Almost surely, 2^6998005 is an apocalyptic number.

It is an amenable number.

6998005 is a deficient number, since it is larger than the sum of its proper divisors (2661515).

6998005 is a wasteful number, since it uses less digits than its factorization.

6998005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 6998005 is about 2645.3742646363. The cubic root of 6998005 is about 191.2749437043.

The spelling of 6998005 in words is "six million, nine hundred ninety-eight thousand, five".