898870440 has 192 divisors, whose sum is σ = 2951424000. Its totient is φ = 218889216.

The previous prime is 898870439. The next prime is 898870481. The reversal of 898870440 is 44078898.

898870440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 898870440.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2575386 + ... + 2575734.

It is an arithmetic number, because the mean of its divisors is an integer number (15372000).

Almost surely, 2^898870440 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 898870440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475712000).

898870440 is an abundant number, since it is smaller than the sum of its proper divisors (2052553560).

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

898870440 is a wasteful number, since it uses less digits than its factorization.

898870440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 898870440 is about 29981.1680893190. The cubic root of 898870440 is about 965.0852976586.

The spelling of 898870440 in words is "eight hundred ninety-eight million, eight hundred seventy thousand, four hundred forty".