89129443 has 4 divisors (see below), whose sum is σ = 95985568. Its totient is φ = 82273320.

The previous prime is 89129377. The next prime is 89129483. The reversal of 89129443 is 34492198.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89129443 - 2⁹ = 89128931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89129396 and 89129405.

It is not an unprimeable number, because it can be changed into a prime (89129483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3428043 + ... + 3428068.

It is an arithmetic number, because the mean of its divisors is an integer number (23996392).

Almost surely, 2^89129443 is an apocalyptic number.

89129443 is a deficient number, since it is larger than the sum of its proper divisors (6856125).

89129443 is a wasteful number, since it uses less digits than its factorization.

89129443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856124.

The product of its digits is 62208, while the sum is 40.

The square root of 89129443 is about 9440.8391046559. The cubic root of 89129443 is about 446.6908578888.

The spelling of 89129443 in words is "eighty-nine million, one hundred twenty-nine thousand, four hundred forty-three".