898040520 has 448 divisors, whose sum is σ = 3437441280. Its totient is φ = 209392128.

The previous prime is 898040503. The next prime is 898040557. The reversal of 898040520 is 25040898.

898040520 is a `hidden beast` number, since 8 + 98 + 0 + 40 + 520 = 666.

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 111 ways as a sum of consecutive naturals, for example, 8718789 + ... + 8718891.

It is an arithmetic number, because the mean of its divisors is an integer number (7672860).

Almost surely, 2^898040520 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 898040520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718720640).

898040520 is an abundant number, since it is smaller than the sum of its proper divisors (2539400760).

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

898040520 is a wasteful number, since it uses less digits than its factorization.

898040520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 898040520 is about 29967.3242048735. The cubic root of 898040520 is about 964.7881876478.

The spelling of 898040520 in words is "eight hundred ninety-eight million, forty thousand, five hundred twenty".