9379921 has 2 divisors, whose sum is σ = 9379922. Its totient is φ = 9379920.

The previous prime is 9379873. The next prime is 9379943. The reversal of 9379921 is 1299739.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9235521 + 144400 = 3039^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 9379921 - 2⁷ = 9379793 is a prime.

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, 4689960 + 4689961.

It is an arithmetic number, because the mean of its divisors is an integer number (4689961).

Almost surely, 2^9379921 is an apocalyptic number.

It is an amenable number.

9379921 is a deficient number, since it is larger than the sum of its proper divisors (1).

9379921 is an equidigital number, since it uses as much as digits as its factorization.

9379921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 40.

The square root of 9379921 is about 3062.6656689884. The cubic root of 9379921 is about 210.8950534912.

The spelling of 9379921 in words is "nine million, three hundred seventy-nine thousand, nine hundred twenty-one".