7949801 has 2 divisors, whose sum is σ = 7949802. Its totient is φ = 7949800.

The previous prime is 7949791. The next prime is 7949803. The reversal of 7949801 is 1089497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7425625 + 524176 = 2725^2 + 724^2 .

It is an emirp because it is prime and its reverse (1089497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7949801 - 2⁶ = 7949737 is a prime.

Together with 7949803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7949803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3974900 + 3974901.

It is an arithmetic number, because the mean of its divisors is an integer number (3974901).

Almost surely, 2^7949801 is an apocalyptic number.

It is an amenable number.

7949801 is a deficient number, since it is larger than the sum of its proper divisors (1).

7949801 is an equidigital number, since it uses as much as digits as its factorization.

7949801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 7949801 is about 2819.5391467401. The cubic root of 7949801 is about 199.5807969579.

The spelling of 7949801 in words is "seven million, nine hundred forty-nine thousand, eight hundred one".