98738 has 4 divisors (see below), whose sum is σ = 148110. Its totient is φ = 49368.

The previous prime is 98737. The next prime is 98773. The reversal of 98738 is 83789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83789 = 23 ⋅3643.

It can be written as a sum of positive squares in only one way, i.e., 94249 + 4489 = 307^2 + 67^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 98698 and 98707.

It is not an unprimeable number, because it can be changed into a prime (98731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24683 + ... + 24686.

2⁹⁸⁷³⁸ is an apocalyptic number.

98738 is a deficient number, since it is larger than the sum of its proper divisors (49372).

98738 is a wasteful number, since it uses less digits than its factorization.

98738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49371.

The product of its digits is 12096, while the sum is 35.

The square root of 98738 is about 314.2260332945. The cubic root of 98738 is about 46.2198049806.

The spelling of 98738 in words is "ninety-eight thousand, seven hundred thirty-eight".