43098538 has 12 divisors (see below), whose sum is σ = 75202722. Its totient is φ = 18470760.

The previous prime is 43098521. The next prime is 43098547. The reversal of 43098538 is 83589034.

It can be written as a sum of positive squares in only one way, i.e., 32228329 + 10870209 = 5677^2 + 3297^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43098538.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 219793 + ... + 219988.

Almost surely, 2^43098538 is an apocalyptic number.

43098538 is a deficient number, since it is larger than the sum of its proper divisors (32104184).

43098538 is a wasteful number, since it uses less digits than its factorization.

43098538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439797 (or 439790 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 43098538 is about 6564.9476768669. The cubic root of 43098538 is about 350.6072126085.

The spelling of 43098538 in words is "forty-three million, ninety-eight thousand, five hundred thirty-eight".