98791061 has 4 divisors (see below), whose sum is σ = 99007692. Its totient is φ = 98574432.

The previous prime is 98791037. The next prime is 98791093. The reversal of 98791061 is 16019789.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54302161 + 44488900 = 7369^2 + 6670^2 .

It is a cyclic number.

It is not a de Polignac number, because 98791061 - 2⁶ = 98790997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98791261) 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, 107630 + ... + 108543.

It is an arithmetic number, because the mean of its divisors is an integer number (24751923).

Almost surely, 2^98791061 is an apocalyptic number.

It is an amenable number.

98791061 is a deficient number, since it is larger than the sum of its proper divisors (216631).

98791061 is a wasteful number, since it uses less digits than its factorization.

98791061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216630.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 98791061 is about 9939.3692455809. The cubic root of 98791061 is about 462.2808288063.

The spelling of 98791061 in words is "ninety-eight million, seven hundred ninety-one thousand, sixty-one".