9920411 has 2 divisors, whose sum is σ = 9920412. Its totient is φ = 9920410.

The previous prime is 9920399. The next prime is 9920419. The reversal of 9920411 is 1140299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9920411 - 2⁶ = 9920347 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9920419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4960205 + 4960206.

It is an arithmetic number, because the mean of its divisors is an integer number (4960206).

Almost surely, 2^9920411 is an apocalyptic number.

9920411 is a deficient number, since it is larger than the sum of its proper divisors (1).

9920411 is an equidigital number, since it uses as much as digits as its factorization.

9920411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 9920411 is about 3149.6683952442. The cubic root of 9920411 is about 214.8703815798.

The spelling of 9920411 in words is "nine million, nine hundred twenty thousand, four hundred eleven".