1093406688 has 168 divisors, whose sum is σ = 3521724696. Its totient is φ = 331257600.

The previous prime is 1093406669. The next prime is 1093406707. The reversal of 1093406688 is 8866043901.

It is an interprime number because it is at equal distance from previous prime (1093406669) and next prime (1093406707).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 254478 + ... + 258738.

It is an arithmetic number, because the mean of its divisors is an integer number (20962647).

Almost surely, 2^1093406688 is an apocalyptic number.

1093406688 is a gapful number since it is divisible by the number (18) 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 1093406688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1760862348).

1093406688 is an abundant number, since it is smaller than the sum of its proper divisors (2428318008).

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

1093406688 is an equidigital number, since it uses as much as digits as its factorization.

1093406688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300 (or 4277 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1093406688 is about 33066.7005913804. The cubic root of 1093406688 is about 1030.2135127798.

The spelling of 1093406688 in words is "one billion, ninety-three million, four hundred six thousand, six hundred eighty-eight".