98979830 has 8 divisors (see below), whose sum is σ = 178163712. Its totient is φ = 39591928.

The previous prime is 98979809. The next prime is 98979877. The reversal of 98979830 is 3897989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4948982 + ... + 4949001.

It is an arithmetic number, because the mean of its divisors is an integer number (22270464).

Almost surely, 2^98979830 is an apocalyptic number.

98979830 is a deficient number, since it is larger than the sum of its proper divisors (79183882).

98979830 is a wasteful number, since it uses less digits than its factorization.

98979830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9897990.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 98979830 is about 9948.8607387982. The cubic root of 98979830 is about 462.5750820399.

The spelling of 98979830 in words is "ninety-eight million, nine hundred seventy-nine thousand, eight hundred thirty".