10919399 has 4 divisors (see below), whose sum is σ = 11295960. Its totient is φ = 10542840.

The previous prime is 10919393. The next prime is 10919401. The reversal of 10919399 is 99391901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10919399 - 2⁴ = 10919383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10919393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188237 + ... + 188294.

It is an arithmetic number, because the mean of its divisors is an integer number (2823990).

Almost surely, 2^10919399 is an apocalyptic number.

10919399 is a deficient number, since it is larger than the sum of its proper divisors (376561).

10919399 is an equidigital number, since it uses as much as digits as its factorization.

10919399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376560.

The product of its (nonzero) digits is 19683, while the sum is 41.

The square root of 10919399 is about 3304.4513916836. The cubic root of 10919399 is about 221.8534798674.

The spelling of 10919399 in words is "ten million, nine hundred nineteen thousand, three hundred ninety-nine".