43239952 has 40 divisors (see below), whose sum is σ = 97712000. Its totient is φ = 18529056.

The previous prime is 43239943. The next prime is 43239961. The reversal of 43239952 is 25993234.

It is an interprime number because it is at equal distance from previous prime (43239943) and next prime (43239961).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549 + ... + 9427.

It is an arithmetic number, because the mean of its divisors is an integer number (2442800).

Almost surely, 2^43239952 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 43239952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48856000).

43239952 is an abundant number, since it is smaller than the sum of its proper divisors (54472048).

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

43239952 is an equidigital number, since it uses as much as digits as its factorization.

43239952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908 (or 7888 counting only the distinct ones).

The product of its digits is 58320, while the sum is 37.

The square root of 43239952 is about 6575.7092393140. The cubic root of 43239952 is about 350.9902622548.

The spelling of 43239952 in words is "forty-three million, two hundred thirty-nine thousand, nine hundred fifty-two".