43528397 has 8 divisors (see below), whose sum is σ = 49550400. Its totient is φ = 37850560.

The previous prime is 43528343. The next prime is 43528409. The reversal of 43528397 is 79382534.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43528397 - 2¹⁰ = 43527373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43528307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85772 + ... + 86277.

It is an arithmetic number, because the mean of its divisors is an integer number (6193800).

Almost surely, 2^43528397 is an apocalyptic number.

It is an amenable number.

43528397 is a deficient number, since it is larger than the sum of its proper divisors (6022003).

43528397 is a wasteful number, since it uses less digits than its factorization.

43528397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172083.

The product of its digits is 181440, while the sum is 41.

The square root of 43528397 is about 6597.6053989307. The cubic root of 43528397 is about 351.7689949764.

The spelling of 43528397 in words is "forty-three million, five hundred twenty-eight thousand, three hundred ninety-seven".