98609918 has 24 divisors (see below), whose sum is σ = 168202440. Its totient is φ = 43274000.

The previous prime is 98609899. The next prime is 98609923. The reversal of 98609918 is 81990689.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8 + ... + 14043.

It is an arithmetic number, because the mean of its divisors is an integer number (7008435).

Almost surely, 2^98609918 is an apocalyptic number.

98609918 is a deficient number, since it is larger than the sum of its proper divisors (69592522).

98609918 is a wasteful number, since it uses less digits than its factorization.

98609918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14104 (or 14093 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 50.

The square root of 98609918 is about 9930.2526654663. The cubic root of 98609918 is about 461.9981103475.

It can be divided in two parts, 98 and 609918, that added together give a palindrome (610016).

The spelling of 98609918 in words is "ninety-eight million, six hundred nine thousand, nine hundred eighteen".