43130208 has 144 divisors (see below), whose sum is σ = 128701440. Its totient is φ = 12629760.

The previous prime is 43130189. The next prime is 43130231. The reversal of 43130208 is 80203134.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 545913 + ... + 545991.

It is an arithmetic number, because the mean of its divisors is an integer number (893760).

Almost surely, 2^43130208 is an apocalyptic number.

43130208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

43130208 is the 3792-nd octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43130208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64350720).

43130208 is an abundant number, since it is smaller than the sum of its proper divisors (85571232).

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

43130208 is a wasteful number, since it uses less digits than its factorization.

43130208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 43130208 is about 6567.3592866540. The cubic root of 43130208 is about 350.6930702135.

The spelling of 43130208 in words is "forty-three million, one hundred thirty thousand, two hundred eight".