43688980 has 48 divisors (see below), whose sum is σ = 102271680. Its totient is φ = 15579648.

The previous prime is 43688977. The next prime is 43688987. The reversal of 43688980 is 8988634.

It is a self number, because there is not a number n which added to its sum of digits gives 43688980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43688987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3079 + ... + 9841.

It is an arithmetic number, because the mean of its divisors is an integer number (2130660).

Almost surely, 2^43688980 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 43688980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51135840).

43688980 is an abundant number, since it is smaller than the sum of its proper divisors (58582700).

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

43688980 is a wasteful number, since it uses less digits than its factorization.

43688980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808 (or 6806 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 43688980 is about 6609.7639897352. The cubic root of 43688980 is about 352.2010408893.

The spelling of 43688980 in words is "forty-three million, six hundred eighty-eight thousand, nine hundred eighty".