1093389400 has 48 divisors (see below), whose sum is σ = 2555126640. Its totient is φ = 435120000.

The previous prime is 1093389397. The next prime is 1093389419. The reversal of 1093389400 is 49833901.

It is a self number, because there is not a number n which added to its sum of digits gives 1093389400.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 25525 + ... + 53275.

It is an arithmetic number, because the mean of its divisors is an integer number (53231805).

Almost surely, 2^1093389400 is an apocalyptic number.

1093389400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1093389400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1277563320).

1093389400 is an abundant number, since it is smaller than the sum of its proper divisors (1461737240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1093389400 is a wasteful number, since it uses less digits than its factorization.

1093389400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27964 (or 27955 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1093389400 is about 33066.4391793250. The cubic root of 1093389400 is about 1030.2080831364.

The spelling of 1093389400 in words is "one billion, ninety-three million, three hundred eighty-nine thousand, four hundred".