98921472 has 88 divisors (see below), whose sum is σ = 284058096. Its totient is φ = 30425088.

The previous prime is 98921437. The next prime is 98921477. The reversal of 98921472 is 27412989.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (98921477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38698 + ... + 41174.

Almost surely, 2^98921472 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 98921472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142029048).

98921472 is an abundant number, since it is smaller than the sum of its proper divisors (185136624).

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

98921472 is a wasteful number, since it uses less digits than its factorization.

98921472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513 (or 2495 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 98921472 is about 9945.9274077383. The cubic root of 98921472 is about 462.4841535355.

The spelling of 98921472 in words is "ninety-eight million, nine hundred twenty-one thousand, four hundred seventy-two".