43204989 has 8 divisors (see below), whose sum is σ = 57664000. Its totient is φ = 28774656.

The previous prime is 43204969. The next prime is 43204999. The reversal of 43204989 is 98940234.

43204989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 43204989 - 2⁹ = 43204477 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 (43204919) 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 7 ways as a sum of consecutive naturals, for example, 3364 + ... + 9885.

It is an arithmetic number, because the mean of its divisors is an integer number (7208000).

Almost surely, 2^43204989 is an apocalyptic number.

It is an amenable number.

43204989 is a deficient number, since it is larger than the sum of its proper divisors (14459011).

43204989 is a wasteful number, since it uses less digits than its factorization.

43204989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14339.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 43204989 is about 6573.0502051939. The cubic root of 43204989 is about 350.8956354031.

The spelling of 43204989 in words is "forty-three million, two hundred four thousand, nine hundred eighty-nine".