98247745 has 8 divisors (see below), whose sum is σ = 118324584. Its totient is φ = 78313344.

The previous prime is 98247713. The next prime is 98247763. The reversal of 98247745 is 54774289.

It is a Cunningham number, because it is equal to 9912²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 98247744 = 1^2 + 9912^2 .

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 98247745 - 2⁵ = 98247713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98247695 and 98247704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34084 + ... + 36853.

It is an arithmetic number, because the mean of its divisors is an integer number (14790573).

Almost surely, 2^98247745 is an apocalyptic number.

It is an amenable number.

98247745 is a deficient number, since it is larger than the sum of its proper divisors (20076839).

98247745 is a wasteful number, since it uses less digits than its factorization.

98247745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71219.

The product of its digits is 564480, while the sum is 46.

The square root of 98247745 is about 9912.0000504439. Note that the first 4 decimals coincide. The cubic root of 98247745 is about 461.4318099475.

The spelling of 98247745 in words is "ninety-eight million, two hundred forty-seven thousand, seven hundred forty-five".