6999801 has 8 divisors (see below), whose sum is σ = 9882144. Its totient is φ = 4392000.

The previous prime is 6999799. The next prime is 6999821. The reversal of 6999801 is 1089996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6999801 - 2¹ = 6999799 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6999821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68575 + ... + 68676.

It is an arithmetic number, because the mean of its divisors is an integer number (1235268).

Almost surely, 2^6999801 is an apocalyptic number.

It is an amenable number.

6999801 is a deficient number, since it is larger than the sum of its proper divisors (2882343).

6999801 is a wasteful number, since it uses less digits than its factorization.

6999801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137271.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 6999801 is about 2645.7137033322. The cubic root of 6999801 is about 191.2913055300.

The spelling of 6999801 in words is "six million, nine hundred ninety-nine thousand, eight hundred one".