98572439 has 4 divisors (see below), whose sum is σ = 112654224. Its totient is φ = 84490656.

The previous prime is 98572433. The next prime is 98572451. The reversal of 98572439 is 93427589.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93427589 = 29 ⋅3221641.

It is a cyclic number.

It is not a de Polignac number, because 98572439 - 2⁴ = 98572423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98572393 and 98572402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98572433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7040882 + ... + 7040895.

It is an arithmetic number, because the mean of its divisors is an integer number (28163556).

Almost surely, 2^98572439 is an apocalyptic number.

98572439 is a deficient number, since it is larger than the sum of its proper divisors (14081785).

98572439 is a wasteful number, since it uses less digits than its factorization.

98572439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14081784.

The product of its digits is 544320, while the sum is 47.

The square root of 98572439 is about 9928.3653740180. The cubic root of 98572439 is about 461.9395718770.

The spelling of 98572439 in words is "ninety-eight million, five hundred seventy-two thousand, four hundred thirty-nine".