89838381 has 8 divisors (see below), whose sum is σ = 120477600. Its totient is φ = 59545712.

The previous prime is 89838379. The next prime is 89838401. The reversal of 89838381 is 18383898.

It is a happy number.

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 89838381 - 2¹ = 89838379 is a prime.

It is a super-2 number, since 2×89838381² = 16141869401402322, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 89838381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89838311) 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, 86031 + ... + 87068.

It is an arithmetic number, because the mean of its divisors is an integer number (15059700).

Almost surely, 2^89838381 is an apocalyptic number.

It is an amenable number.

89838381 is a deficient number, since it is larger than the sum of its proper divisors (30639219).

89838381 is a wasteful number, since it uses less digits than its factorization.

89838381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173275.

The product of its digits is 331776, while the sum is 48.

The square root of 89838381 is about 9478.3110837322. The cubic root of 89838381 is about 447.8720620139.

It can be divided in two parts, 8 and 9838381, that added together give a palindrome (9838389).

The spelling of 89838381 in words is "eighty-nine million, eight hundred thirty-eight thousand, three hundred eighty-one".