43898112 has 180 divisors, whose sum is σ = 137264820. Its totient is φ = 13934592.

The previous prime is 43898089. The next prime is 43898123. The reversal of 43898112 is 21189834.

It can be written as a sum of positive squares in 2 ways, for example, as 23970816 + 19927296 = 4896^2 + 4464^2 .

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 congruent number.

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 19 ways as a sum of consecutive naturals, for example, 601308 + ... + 601380.

Almost surely, 2^43898112 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 43898112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68632410).

43898112 is an abundant number, since it is smaller than the sum of its proper divisors (93366708).

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

43898112 is an equidigital number, since it uses as much as digits as its factorization.

43898112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 107 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 43898112 is about 6625.5650325085. The cubic root of 43898112 is about 352.7621228252.

The spelling of 43898112 in words is "forty-three million, eight hundred ninety-eight thousand, one hundred twelve".