98081280 has 400 divisors, whose sum is σ = 392144544. Its totient is φ = 23224320.

The previous prime is 98081273. The next prime is 98081297. The reversal of 98081280 is 8218089.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2280939 + ... + 2280981.

Almost surely, 2^98081280 is an apocalyptic number.

98081280 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98081280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196072272).

98081280 is an abundant number, since it is smaller than the sum of its proper divisors (294063264).

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

98081280 is a wasteful number, since it uses less digits than its factorization.

98081280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 98081280 is about 9903.5993456925. The cubic root of 98081280 is about 461.1710552973.

The spelling of 98081280 in words is "ninety-eight million, eighty-one thousand, two hundred eighty".