98438 has 8 divisors (see below), whose sum is σ = 149688. Its totient is φ = 48544.

The previous prime is 98429. The next prime is 98443. The reversal of 98438 is 83489.

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

It is an Ulam number.

It is a plaindrome in base 5.

It is a congruent number.

It is an unprimeable number.

98438 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131 + ... + 462.

It is an arithmetic number, because the mean of its divisors is an integer number (18711).

2⁹⁸⁴³⁸ is an apocalyptic number.

98438 is a deficient number, since it is larger than the sum of its proper divisors (51250).

98438 is a wasteful number, since it uses less digits than its factorization.

98438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

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

The square root of 98438 is about 313.7483067683. The cubic root of 98438 is about 46.1729469373.

It can be divided in two parts, 98 and 438, that multiplied together give a palindrome (42924).

The spelling of 98438 in words is "ninety-eight thousand, four hundred thirty-eight".