98428288 has 64 divisors (see below), whose sum is σ = 230234400. Its totient is φ = 41029632.

The previous prime is 98428271. The next prime is 98428301. The reversal of 98428288 is 88282489.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×98428288² = 19376255757221888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31668 + ... + 34636.

Almost surely, 2^98428288 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 98428288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115117200).

98428288 is an abundant number, since it is smaller than the sum of its proper divisors (131806112).

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

98428288 is a wasteful number, since it uses less digits than its factorization.

98428288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027 (or 3015 counting only the distinct ones).

The product of its digits is 589824, while the sum is 49.

The square root of 98428288 is about 9921.1031644671. The cubic root of 98428288 is about 461.7142839638.

The spelling of 98428288 in words is "ninety-eight million, four hundred twenty-eight thousand, two hundred eighty-eight".