89081243 has 12 divisors (see below), whose sum is σ = 93587208. Its totient is φ = 84772800.

The previous prime is 89081221. The next prime is 89081263. The reversal of 89081243 is 34218098.

It is a happy number.

It is not a de Polignac number, because 89081243 - 2¹⁸ = 88819099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89081263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60668 + ... + 62118.

It is an arithmetic number, because the mean of its divisors is an integer number (7798934).

Almost surely, 2^89081243 is an apocalyptic number.

89081243 is a deficient number, since it is larger than the sum of its proper divisors (4505965).

89081243 is a wasteful number, since it uses less digits than its factorization.

89081243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 89081243 is about 9438.2860202475. The cubic root of 89081243 is about 446.6103219068.

The spelling of 89081243 in words is "eighty-nine million, eighty-one thousand, two hundred forty-three".