43985828 has 6 divisors (see below), whose sum is σ = 76975206. Its totient is φ = 21992912.

The previous prime is 43985827. The next prime is 43985839. The reversal of 43985828 is 82858934.

It can be written as a sum of positive squares in only one way, i.e., 43586404 + 399424 = 6602^2 + 632^2 .

It is not an unprimeable number, because it can be changed into a prime (43985827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5498225 + ... + 5498232.

It is an arithmetic number, because the mean of its divisors is an integer number (12829201).

Almost surely, 2^43985828 is an apocalyptic number.

It is an amenable number.

43985828 is a deficient number, since it is larger than the sum of its proper divisors (32989378).

43985828 is a wasteful number, since it uses less digits than its factorization.

43985828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10996461 (or 10996459 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 43985828 is about 6632.1812399843. The cubic root of 43985828 is about 352.9969263590.

The spelling of 43985828 in words is "forty-three million, nine hundred eighty-five thousand, eight hundred twenty-eight".