1093889412 has 288 divisors, whose sum is σ = 3698472960. Its totient is φ = 263900160.

The previous prime is 1093889411. The next prime is 1093889437. The reversal of 1093889412 is 2149883901.

It is not an unprimeable number, because it can be changed into a prime (1093889411) 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 95 ways as a sum of consecutive naturals, for example, 6550153 + ... + 6550319.

It is an arithmetic number, because the mean of its divisors is an integer number (12841920).

Almost surely, 2^1093889412 is an apocalyptic number.

1093889412 is a gapful number since it is divisible by the number (12) 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 1093889412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849236480).

1093889412 is an abundant number, since it is smaller than the sum of its proper divisors (2604583548).

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

1093889412 is a wasteful number, since it uses less digits than its factorization.

1093889412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 1093889412 is about 33073.9990324726. Note that the first 3 decimals coincide. The cubic root of 1093889412 is about 1030.3650988353.

The spelling of 1093889412 in words is "one billion, ninety-three million, eight hundred eighty-nine thousand, four hundred twelve".