7989801 has 4 divisors (see below), whose sum is σ = 10653072. Its totient is φ = 5326532.

The previous prime is 7989769. The next prime is 7989851. The reversal of 7989801 is 1089897.

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 7989801 - 2⁵ = 7989769 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 (7989851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331631 + ... + 1331636.

It is an arithmetic number, because the mean of its divisors is an integer number (2663268).

Almost surely, 2^7989801 is an apocalyptic number.

It is an amenable number.

7989801 is a deficient number, since it is larger than the sum of its proper divisors (2663271).

7989801 is a wasteful number, since it uses less digits than its factorization.

7989801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663270.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 7989801 is about 2826.6236042317. The cubic root of 7989801 is about 199.9149721898.

The spelling of 7989801 in words is "seven million, nine hundred eighty-nine thousand, eight hundred one".