1093436928 has 320 divisors, whose sum is σ = 3574771200. Its totient is φ = 328458240.

The previous prime is 1093436921. The next prime is 1093436941. The reversal of 1093436928 is 8296343901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093436921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6040998 + ... + 6041178.

It is an arithmetic number, because the mean of its divisors is an integer number (11171160).

Almost surely, 2^1093436928 is an apocalyptic number.

1093436928 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 1093436928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787385600).

1093436928 is an abundant number, since it is smaller than the sum of its proper divisors (2481334272).

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

1093436928 is a wasteful number, since it uses less digits than its factorization.

1093436928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 1093436928 is about 33067.1578458143. The cubic root of 1093436928 is about 1030.2230101211.

The spelling of 1093436928 in words is "one billion, ninety-three million, four hundred thirty-six thousand, nine hundred twenty-eight".