10919893 has 4 divisors (see below), whose sum is σ = 11173888. Its totient is φ = 10665900.

The previous prime is 10919879. The next prime is 10919903. The reversal of 10919893 is 39891901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39891901 = 7 ⋅5698843.

It is a cyclic number.

It is not a de Polignac number, because 10919893 - 2¹⁷ = 10788821 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 (10919803) 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, 126933 + ... + 127018.

It is an arithmetic number, because the mean of its divisors is an integer number (2793472).

Almost surely, 2^10919893 is an apocalyptic number.

It is an amenable number.

10919893 is a deficient number, since it is larger than the sum of its proper divisors (253995).

10919893 is an equidigital number, since it uses as much as digits as its factorization.

10919893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253994.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 10919893 is about 3304.5261384955. The cubic root of 10919893 is about 221.8568254107.

It can be divided in two parts, 109 and 19893, that added together give a palindrome (20002).

The spelling of 10919893 in words is "ten million, nine hundred nineteen thousand, eight hundred ninety-three".