98979091 has 8 divisors (see below), whose sum is σ = 100999584. Its totient is φ = 96979200.

The previous prime is 98979071. The next prime is 98979109. The reversal of 98979091 is 19097989.

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

It is a cyclic number.

It is not a de Polignac number, because 98979091 - 2⁷ = 98978963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98979011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4746 + ... + 14848.

It is an arithmetic number, because the mean of its divisors is an integer number (12624948).

Almost surely, 2^98979091 is an apocalyptic number.

98979091 is a deficient number, since it is larger than the sum of its proper divisors (2020493).

98979091 is a wasteful number, since it uses less digits than its factorization.

98979091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10301.

The product of its (nonzero) digits is 367416, while the sum is 52.

The square root of 98979091 is about 9948.8235987980. The cubic root of 98979091 is about 462.5739308160.

The spelling of 98979091 in words is "ninety-eight million, nine hundred seventy-nine thousand, ninety-one".