43438950 has 96 divisors (see below), whose sum is σ = 124992000. Its totient is φ = 11072160.

The previous prime is 43438949. The next prime is 43438957. The reversal of 43438950 is 5983434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43438957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30351 + ... + 31749.

It is an arithmetic number, because the mean of its divisors is an integer number (1302000).

Almost surely, 2^43438950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43438950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62496000).

43438950 is an abundant number, since it is smaller than the sum of its proper divisors (81553050).

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

43438950 is a wasteful number, since it uses less digits than its factorization.

43438950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 43438950 is about 6590.8231655841. The cubic root of 43438950 is about 351.5278783684.

The spelling of 43438950 in words is "forty-three million, four hundred thirty-eight thousand, nine hundred fifty".