898891520 has 144 divisors (see below), whose sum is σ = 2366461440. Its totient is φ = 325619712.

The previous prime is 898891493. The next prime is 898891523. The reversal of 898891520 is 25198898.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898891523) 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, 558557 + ... + 560163.

It is an arithmetic number, because the mean of its divisors is an integer number (16433760).

Almost surely, 2^898891520 is an apocalyptic number.

898891520 is a gapful number since it is divisible by the number (80) 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 898891520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183230720).

898891520 is an abundant number, since it is smaller than the sum of its proper divisors (1467569920).

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

898891520 is a wasteful number, since it uses less digits than its factorization.

898891520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 50.

The square root of 898891520 is about 29981.5196412724. The cubic root of 898891520 is about 965.0928418823.

The spelling of 898891520 in words is "eight hundred ninety-eight million, eight hundred ninety-one thousand, five hundred twenty".