7988901 has 8 divisors (see below), whose sum is σ = 10798080. Its totient is φ = 5252832.

The previous prime is 7988899. The next prime is 7988923. The reversal of 7988901 is 1098897.

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

It is not a de Polignac number, because 7988901 - 2¹ = 7988899 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7988971) 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, 18021 + ... + 18458.

It is an arithmetic number, because the mean of its divisors is an integer number (1349760).

Almost surely, 2^7988901 is an apocalyptic number.

It is an amenable number.

7988901 is a deficient number, since it is larger than the sum of its proper divisors (2809179).

7988901 is a wasteful number, since it uses less digits than its factorization.

7988901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36555.

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

The square root of 7988901 is about 2826.4643992097. The cubic root of 7988901 is about 199.9074655268.

The spelling of 7988901 in words is "seven million, nine hundred eighty-eight thousand, nine hundred one".