43999652 has 12 divisors (see below), whose sum is σ = 77426076. Its totient is φ = 21877920.

The previous prime is 43999651. The next prime is 43999673. The reversal of 43999652 is 25699934.

43999652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15952036 + 28047616 = 3994^2 + 5296^2 .

It is a super-2 number, since 2×43999652² = 3871938752242208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43999597 and 43999606.

It is not an unprimeable number, because it can be changed into a prime (43999651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29663 + ... + 31110.

It is an arithmetic number, because the mean of its divisors is an integer number (6452173).

Almost surely, 2^43999652 is an apocalyptic number.

It is an amenable number.

43999652 is a deficient number, since it is larger than the sum of its proper divisors (33426424).

43999652 is a wasteful number, since it uses less digits than its factorization.

43999652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60958 (or 60956 counting only the distinct ones).

The product of its digits is 524880, while the sum is 47.

The square root of 43999652 is about 6633.2233491720. The cubic root of 43999652 is about 353.0339028020.

The spelling of 43999652 in words is "forty-three million, nine hundred ninety-nine thousand, six hundred fifty-two".