7983901 has 2 divisors, whose sum is σ = 7983902. Its totient is φ = 7983900.

The previous prime is 7983893. The next prime is 7983919. The reversal of 7983901 is 1093897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6120676 + 1863225 = 2474^2 + 1365^2 .

It is a cyclic number.

It is not a de Polignac number, because 7983901 - 2³ = 7983893 is a prime.

7983901 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7983301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3991950 + 3991951.

It is an arithmetic number, because the mean of its divisors is an integer number (3991951).

Almost surely, 2^7983901 is an apocalyptic number.

It is an amenable number.

7983901 is a deficient number, since it is larger than the sum of its proper divisors (1).

7983901 is an equidigital number, since it uses as much as digits as its factorization.

7983901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 7983901 is about 2825.5797635176. The cubic root of 7983901 is about 199.8657515736.

The spelling of 7983901 in words is "seven million, nine hundred eighty-three thousand, nine hundred one".