98661856 has 24 divisors (see below), whose sum is σ = 194476464. Its totient is φ = 49271040.

The previous prime is 98661853. The next prime is 98661887. The reversal of 98661856 is 65816689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98661853) 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, 37876 + ... + 40396.

It is an arithmetic number, because the mean of its divisors is an integer number (8103186).

Almost surely, 2^98661856 is an apocalyptic number.

It is an amenable number.

98661856 is a deficient number, since it is larger than the sum of its proper divisors (95814608).

98661856 is a wasteful number, since it uses less digits than its factorization.

98661856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754 (or 3746 counting only the distinct ones).

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

The square root of 98661856 is about 9932.8674611111. The cubic root of 98661856 is about 462.0792078233.

The spelling of 98661856 in words is "ninety-eight million, six hundred sixty-one thousand, eight hundred fifty-six".