98724238 has 4 divisors (see below), whose sum is σ = 148086360. Its totient is φ = 49362118.

The previous prime is 98724233. The next prime is 98724239. The reversal of 98724238 is 83242789.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 98724194 and 98724203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98724233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24681058 + ... + 24681061.

It is an arithmetic number, because the mean of its divisors is an integer number (37021590).

Almost surely, 2^98724238 is an apocalyptic number.

98724238 is a deficient number, since it is larger than the sum of its proper divisors (49362122).

98724238 is a wasteful number, since it uses less digits than its factorization.

98724238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49362121.

The product of its digits is 193536, while the sum is 43.

The square root of 98724238 is about 9936.0071457301. The cubic root of 98724238 is about 462.1765752464.

The spelling of 98724238 in words is "ninety-eight million, seven hundred twenty-four thousand, two hundred thirty-eight".