43728984 has 160 divisors (see below), whose sum is σ = 137214000. Its totient is φ = 12918528.

The previous prime is 43728977. The next prime is 43728991. The reversal of 43728984 is 48982734.

It is an interprime number because it is at equal distance from previous prime (43728977) and next prime (43728991).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 244207 + ... + 244385.

Almost surely, 2^43728984 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 43728984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68607000).

43728984 is an abundant number, since it is smaller than the sum of its proper divisors (93485016).

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

43728984 is a wasteful number, since it uses less digits than its factorization.

43728984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 226 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 43728984 is about 6612.7894265582. The cubic root of 43728984 is about 352.3085062217.

The spelling of 43728984 in words is "forty-three million, seven hundred twenty-eight thousand, nine hundred eighty-four".