6998001 has 4 divisors (see below), whose sum is σ = 9330672. Its totient is φ = 4665332.

The previous prime is 6997967. The next prime is 6998009. The reversal of 6998001 is 1008996.

It is a happy number.

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 6998001 - 2⁶ = 6997937 is a prime.

It is a D-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 3 ways as a sum of consecutive naturals, for example, 1166331 + ... + 1166336.

It is an arithmetic number, because the mean of its divisors is an integer number (2332668).

Almost surely, 2^6998001 is an apocalyptic number.

It is an amenable number.

6998001 is a deficient number, since it is larger than the sum of its proper divisors (2332671).

6998001 is a wasteful number, since it uses less digits than its factorization.

6998001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332670.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 6998001 is about 2645.3735085995. The cubic root of 6998001 is about 191.2749072606.

The spelling of 6998001 in words is "six million, nine hundred ninety-eight thousand, one".