98987064 has 64 divisors (see below), whose sum is σ = 273818880. Its totient is φ = 29568000.

The previous prime is 98987059. The next prime is 98987071. The reversal of 98987064 is 46078989.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 98986998 and 98987016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16104 + ... + 21384.

It is an arithmetic number, because the mean of its divisors is an integer number (4278420).

Almost surely, 2^98987064 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 98987064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136909440).

98987064 is an abundant number, since it is smaller than the sum of its proper divisors (174831816).

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

98987064 is a wasteful number, since it uses less digits than its factorization.

98987064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372 (or 5368 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 98987064 is about 9949.2242913707. The cubic root of 98987064 is about 462.5863509575.

The spelling of 98987064 in words is "ninety-eight million, nine hundred eighty-seven thousand, sixty-four".