98129443 has 4 divisors (see below), whose sum is σ = 98627760. Its totient is φ = 97631128.

The previous prime is 98129429. The next prime is 98129453. The reversal of 98129443 is 34492189.

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

It is a cyclic number.

It is not a de Polignac number, because 98129443 - 2¹³ = 98121251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98129396 and 98129405.

It is not an unprimeable number, because it can be changed into a prime (98129453) 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, 248863 + ... + 249256.

It is an arithmetic number, because the mean of its divisors is an integer number (24656940).

Almost surely, 2^98129443 is an apocalyptic number.

98129443 is a deficient number, since it is larger than the sum of its proper divisors (498317).

98129443 is a wasteful number, since it uses less digits than its factorization.

98129443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498316.

The product of its digits is 62208, while the sum is 40.

The square root of 98129443 is about 9906.0306379498. The cubic root of 98129443 is about 461.2465292542.

The spelling of 98129443 in words is "ninety-eight million, one hundred twenty-nine thousand, four hundred forty-three".