7919801 has 2 divisors, whose sum is σ = 7919802. Its totient is φ = 7919800.

The previous prime is 7919741. The next prime is 7919851. The reversal of 7919801 is 1089197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7645225 + 274576 = 2765^2 + 524^2 .

It is an emirp because it is prime and its reverse (1089197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7919801 - 2¹⁴ = 7903417 is a prime.

It is not a weakly prime, because it can be changed into another prime (7919851) 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 as a sum of consecutive naturals, namely, 3959900 + 3959901.

It is an arithmetic number, because the mean of its divisors is an integer number (3959901).

Almost surely, 2^7919801 is an apocalyptic number.

It is an amenable number.

7919801 is a deficient number, since it is larger than the sum of its proper divisors (1).

7919801 is an equidigital number, since it uses as much as digits as its factorization.

7919801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 7919801 is about 2814.2140998865. The cubic root of 7919801 is about 199.3294291867.

The spelling of 7919801 in words is "seven million, nine hundred nineteen thousand, eight hundred one".