98741561 has 4 divisors (see below), whose sum is σ = 99108900. Its totient is φ = 98374224.

The previous prime is 98741551. The next prime is 98741579. The reversal of 98741561 is 16514789.

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 37589161 + 61152400 = 6131^2 + 7820^2 .

It is a cyclic number.

It is not a de Polignac number, because 98741561 - 2⁶ = 98741497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98741551) 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, 183266 + ... + 183803.

It is an arithmetic number, because the mean of its divisors is an integer number (24777225).

Almost surely, 2^98741561 is an apocalyptic number.

It is an amenable number.

98741561 is a deficient number, since it is larger than the sum of its proper divisors (367339).

98741561 is a wasteful number, since it uses less digits than its factorization.

98741561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367338.

The product of its digits is 60480, while the sum is 41.

The square root of 98741561 is about 9936.8788359323. The cubic root of 98741561 is about 462.2036061516.

The spelling of 98741561 in words is "ninety-eight million, seven hundred forty-one thousand, five hundred sixty-one".