102098556 has 180 divisors, whose sum is σ = 318641400. Its totient is φ = 28413504.

The previous prime is 102098539. The next prime is 102098597. The reversal of 102098556 is 655890201.

It is a happy number.

102098556 is a `hidden beast` number, since 10 + 2 + 0 + 98 + 556 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 102098556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 936630 + ... + 936738.

It is an arithmetic number, because the mean of its divisors is an integer number (1770230).

Almost surely, 2^102098556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102098556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159320700).

102098556 is an abundant number, since it is smaller than the sum of its proper divisors (216542844).

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

102098556 is a wasteful number, since it uses less digits than its factorization.

102098556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 102098556 is about 10104.3830093678. The cubic root of 102098556 is about 467.3833100241.

The spelling of 102098556 in words is "one hundred two million, ninety-eight thousand, five hundred fifty-six".