98665320 has 64 divisors (see below), whose sum is σ = 318769920. Its totient is φ = 24286464.

The previous prime is 98665291. The next prime is 98665321. The reversal of 98665320 is 2356689.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (98665321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30064 + ... + 33183.

It is an arithmetic number, because the mean of its divisors is an integer number (4980780).

Almost surely, 2^98665320 is an apocalyptic number.

It is an amenable number.

98665320 is an abundant number, since it is smaller than the sum of its proper divisors (220104600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98665320 is a wasteful number, since it uses less digits than its factorization.

98665320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63274 (or 63270 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 98665320 is about 9933.0418301747. The cubic root of 98665320 is about 462.0846155993.

The spelling of 98665320 in words is "ninety-eight million, six hundred sixty-five thousand, three hundred twenty".