43928136 has 128 divisors (see below), whose sum is σ = 147744000. Its totient is φ = 11805696.

The previous prime is 43928123. The next prime is 43928141. The reversal of 43928136 is 63182934.

It is a super-2 number, since 2×43928136² = 3859362264868992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 43928136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24850 + ... + 26558.

It is an arithmetic number, because the mean of its divisors is an integer number (1154250).

Almost surely, 2^43928136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43928136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73872000).

43928136 is an abundant number, since it is smaller than the sum of its proper divisors (103815864).

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

43928136 is a wasteful number, since it uses less digits than its factorization.

43928136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748 (or 1738 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 43928136 is about 6627.8304142457. The cubic root of 43928136 is about 352.8425280770.

The spelling of 43928136 in words is "forty-three million, nine hundred twenty-eight thousand, one hundred thirty-six".