9379999 has 2 divisors, whose sum is σ = 9380000. Its totient is φ = 9379998.

The previous prime is 9379991. The next prime is 9380003. The reversal of 9379999 is 9999739.

9379999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (9999739) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9379999 - 2³ = 9379991 is a prime.

It is a Chen prime.

9379999 is a modest number, since divided by 9999 gives 937 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9379991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4689999 + 4690000.

It is an arithmetic number, because the mean of its divisors is an integer number (4690000).

Almost surely, 2^9379999 is an apocalyptic number.

9379999 is a deficient number, since it is larger than the sum of its proper divisors (1).

9379999 is an equidigital number, since it uses as much as digits as its factorization.

9379999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1240029, while the sum is 55.

The square root of 9379999 is about 3062.6784029669. The cubic root of 9379999 is about 210.8956380650.

The spelling of 9379999 in words is "nine million, three hundred seventy-nine thousand, nine hundred ninety-nine".