1093316891 has 8 divisors (see below), whose sum is σ = 1141432224. Its totient is φ = 1045249920.

The previous prime is 1093316879. The next prime is 1093316911. The reversal of 1093316891 is 1986133901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1093316891 - 2⁶ = 1093316827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1093316821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38705 + ... + 60701.

It is an arithmetic number, because the mean of its divisors is an integer number (142679028).

Almost surely, 2^1093316891 is an apocalyptic number.

1093316891 is a deficient number, since it is larger than the sum of its proper divisors (48115333).

1093316891 is a wasteful number, since it uses less digits than its factorization.

1093316891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24181.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 1093316891 is about 33065.3427473541. The cubic root of 1093316891 is about 1030.1853096063.

The spelling of 1093316891 in words is "one billion, ninety-three million, three hundred sixteen thousand, eight hundred ninety-one".