89443641 has 8 divisors (see below), whose sum is σ = 136295104. Its totient is φ = 51110640.

The previous prime is 89443637. The next prime is 89443661. The reversal of 89443641 is 14634498.

It is a happy number.

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

It is not a de Polignac number, because 89443641 - 2² = 89443637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89443641.

It is not an unprimeable number, because it can be changed into a prime (89443661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129590 + ... + 2129631.

It is an arithmetic number, because the mean of its divisors is an integer number (17036888).

Almost surely, 2^89443641 is an apocalyptic number.

It is an amenable number.

89443641 is a deficient number, since it is larger than the sum of its proper divisors (46851463).

89443641 is a wasteful number, since it uses less digits than its factorization.

89443641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259231.

The product of its digits is 82944, while the sum is 39.

The square root of 89443641 is about 9457.4648294350. The cubic root of 89443641 is about 447.2151319947.

The spelling of 89443641 in words is "eighty-nine million, four hundred forty-three thousand, six hundred forty-one".