89438 has 8 divisors (see below), whose sum is σ = 135432. Its totient is φ = 44296.

The previous prime is 89431. The next prime is 89443. The reversal of 89438 is 83498.

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

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281 + ... + 507.

It is an arithmetic number, because the mean of its divisors is an integer number (16929).

2⁸⁹⁴³⁸ is an apocalyptic number.

89438 is a deficient number, since it is larger than the sum of its proper divisors (45994).

89438 is a wasteful number, since it uses less digits than its factorization.

89438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its digits is 6912, while the sum is 32.

The square root of 89438 is about 299.0618665093. The cubic root of 89438 is about 44.7205730195.

The spelling of 89438 in words is "eighty-nine thousand, four hundred thirty-eight".