98421900 has 144 divisors (see below), whose sum is σ = 309980160. Its totient is φ = 24019200.

The previous prime is 98421893. The next prime is 98421907. The reversal of 98421900 is 912489.

It is an interprime number because it is at equal distance from previous prime (98421893) and next prime (98421907).

It is a super-2 number, since 2×98421900² = 19373740799220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98421907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176422 + ... + 176978.

It is an arithmetic number, because the mean of its divisors is an integer number (2152640).

Almost surely, 2^98421900 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 98421900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154990080).

98421900 is an abundant number, since it is smaller than the sum of its proper divisors (211558260).

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

98421900 is a wasteful number, since it uses less digits than its factorization.

98421900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 98421900 is about 9920.7812192387. The cubic root of 98421900 is about 461.7042953222.

The spelling of 98421900 in words is "ninety-eight million, four hundred twenty-one thousand, nine hundred".