43997160 has 128 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 10619136.

The previous prime is 43997159. The next prime is 43997189. The reversal of 43997160 is 6179934.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52021 + ... + 52859.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^43997160 is an apocalyptic number.

43997160 is a gapful number since it is divisible by the number (40) 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 43997160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72576000).

43997160 is an abundant number, since it is smaller than the sum of its proper divisors (101154840).

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

43997160 is a wasteful number, since it uses less digits than its factorization.

43997160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 43997160 is about 6633.0355042017. The cubic root of 43997160 is about 353.0272377712.

The spelling of 43997160 in words is "forty-three million, nine hundred ninety-seven thousand, one hundred sixty".