98564818 has 32 divisors (see below), whose sum is σ = 174392640. Its totient is φ = 41290560.

The previous prime is 98564803. The next prime is 98564831. The reversal of 98564818 is 81846589.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12280 + ... + 18652.

It is an arithmetic number, because the mean of its divisors is an integer number (5449770).

Almost surely, 2^98564818 is an apocalyptic number.

98564818 is a deficient number, since it is larger than the sum of its proper divisors (75827822).

98564818 is a wasteful number, since it uses less digits than its factorization.

98564818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442.

The product of its digits is 552960, while the sum is 49.

The square root of 98564818 is about 9927.9815672673. The cubic root of 98564818 is about 461.9276668177.

The spelling of 98564818 in words is "ninety-eight million, five hundred sixty-four thousand, eight hundred eighteen".