98543939 has 4 divisors (see below), whose sum is σ = 106124256. Its totient is φ = 90963624.

The previous prime is 98543933. The next prime is 98543969. The reversal of 98543939 is 93934589.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93934589 = 7 ⋅13419227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98543939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98543933) 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, 3790139 + ... + 3790164.

It is an arithmetic number, because the mean of its divisors is an integer number (26531064).

Almost surely, 2^98543939 is an apocalyptic number.

98543939 is a deficient number, since it is larger than the sum of its proper divisors (7580317).

98543939 is a wasteful number, since it uses less digits than its factorization.

98543939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7580316.

The product of its digits is 1049760, while the sum is 50.

The square root of 98543939 is about 9926.9299886722. The cubic root of 98543939 is about 461.8950477790.

The spelling of 98543939 in words is "ninety-eight million, five hundred forty-three thousand, nine hundred thirty-nine".