43934940 has 192 divisors, whose sum is σ = 159667200. Its totient is φ = 9821952.

The previous prime is 43934927. The next prime is 43934951. The reversal of 43934940 is 4943934.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 43934895 and 43934904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222922 + ... + 223118.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^43934940 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 43934940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79833600).

43934940 is an abundant number, since it is smaller than the sum of its proper divisors (115732260).

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

43934940 is a wasteful number, since it uses less digits than its factorization.

43934940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 43934940 is about 6628.3436845112. The cubic root of 43934940 is about 352.8607443187.

The spelling of 43934940 in words is "forty-three million, nine hundred thirty-four thousand, nine hundred forty".