89732143 has 8 divisors (see below), whose sum is σ = 91199520. Its totient is φ = 88270560.

The previous prime is 89732107. The next prime is 89732147. The reversal of 89732143 is 34123798.

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

It is a cyclic number.

It is not a de Polignac number, because 89732143 - 2²⁵ = 56177711 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 (89732147) 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, 38413 + ... + 40681.

It is an arithmetic number, because the mean of its divisors is an integer number (11399940).

Almost surely, 2^89732143 is an apocalyptic number.

89732143 is a deficient number, since it is larger than the sum of its proper divisors (1467377).

89732143 is a wasteful number, since it uses less digits than its factorization.

89732143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897.

The product of its digits is 36288, while the sum is 37.

The square root of 89732143 is about 9472.7051574511. The cubic root of 89732143 is about 447.6954493030.

The spelling of 89732143 in words is "eighty-nine million, seven hundred thirty-two thousand, one hundred forty-three".