89938 has 8 divisors (see below), whose sum is σ = 136188. Its totient is φ = 44544.

The previous prime is 89923. The next prime is 89939. The reversal of 89938 is 83998.

It can be written as a sum of positive squares in 2 ways, for example, as 82369 + 7569 = 287^2 + 87^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 89897 and 89906.

It is not an unprimeable number, because it can be changed into a prime (89939) by changing a digit.

89938 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270 + ... + 502.

2⁸⁹⁹³⁸ is an apocalyptic number.

89938 is a deficient number, since it is larger than the sum of its proper divisors (46250).

89938 is a wasteful number, since it uses less digits than its factorization.

89938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428.

The product of its digits is 15552, while the sum is 37.

The square root of 89938 is about 299.8966488642. The cubic root of 89938 is about 44.8037544685.

The spelling of 89938 in words is "eighty-nine thousand, nine hundred thirty-eight".