98906845 has 4 divisors (see below), whose sum is σ = 118688220. Its totient is φ = 79125472.

The previous prime is 98906827. The next prime is 98906861. The reversal of 98906845 is 54860989.

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 22221796 + 76685049 = 4714^2 + 8757^2 .

It is a cyclic number.

It is not a de Polignac number, because 98906845 - 2⁵ = 98906813 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 9890680 + ... + 9890689.

It is an arithmetic number, because the mean of its divisors is an integer number (29672055).

Almost surely, 2^98906845 is an apocalyptic number.

It is an amenable number.

98906845 is a deficient number, since it is larger than the sum of its proper divisors (19781375).

98906845 is a wasteful number, since it uses less digits than its factorization.

98906845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19781374.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 98906845 is about 9945.1920544553. The cubic root of 98906845 is about 462.4613573753.

The spelling of 98906845 in words is "ninety-eight million, nine hundred six thousand, eight hundred forty-five".