98428520 has 64 divisors (see below), whose sum is σ = 227448000. Its totient is φ = 38322688.

The previous prime is 98428483. The next prime is 98428529. The reversal of 98428520 is 2582489.

It is not an unprimeable number, because it can be changed into a prime (98428529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422324 + ... + 422556.

It is an arithmetic number, because the mean of its divisors is an integer number (3553875).

Almost surely, 2^98428520 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 98428520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113724000).

98428520 is an abundant number, since it is smaller than the sum of its proper divisors (129019480).

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

98428520 is a wasteful number, since it uses less digits than its factorization.

98428520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 98428520 is about 9921.1148567084. The cubic root of 98428520 is about 461.7146467241.

The spelling of 98428520 in words is "ninety-eight million, four hundred twenty-eight thousand, five hundred twenty".