98989958 has 4 divisors (see below), whose sum is σ = 148484940. Its totient is φ = 49494978.

The previous prime is 98989951. The next prime is 98989967. The reversal of 98989958 is 85998989.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 98989894 and 98989903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98989951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24747488 + ... + 24747491.

It is an arithmetic number, because the mean of its divisors is an integer number (37121235).

Almost surely, 2^98989958 is an apocalyptic number.

98989958 is a deficient number, since it is larger than the sum of its proper divisors (49494982).

98989958 is a wasteful number, since it uses less digits than its factorization.

98989958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49494981.

The product of its digits is 16796160, while the sum is 65.

The square root of 98989958 is about 9949.3697287818. The cubic root of 98989958 is about 462.5908589938.

The spelling of 98989958 in words is "ninety-eight million, nine hundred eighty-nine thousand, nine hundred fifty-eight".