98664220 has 24 divisors (see below), whose sum is σ = 207397008. Its totient is φ = 39427200.

The previous prime is 98664199. The next prime is 98664221. The reversal of 98664220 is 2246689.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 98664220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98664221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27955 + ... + 31285.

It is an arithmetic number, because the mean of its divisors is an integer number (8641542).

Almost surely, 2^98664220 is an apocalyptic number.

It is an amenable number.

98664220 is an abundant number, since it is smaller than the sum of its proper divisors (108732788).

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

98664220 is a wasteful number, since it uses less digits than its factorization.

98664220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4819 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 98664220 is about 9932.9864592679. The cubic root of 98664220 is about 462.0828983631.

The spelling of 98664220 in words is "ninety-eight million, six hundred sixty-four thousand, two hundred twenty".