898340469390 has 192 divisors, whose sum is σ = 2902601834496. Its totient is φ = 187699597056.

The previous prime is 898340469373. The next prime is 898340469407. The reversal of 898340469390 is 93964043898.

898340469390 is a `hidden beast` number, since 8 + 9 + 83 + 4 + 0 + 469 + 3 + 90 = 666.

It is an interprime number because it is at equal distance from previous prime (898340469373) and next prime (898340469407).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 311107 + ... + 1376033.

It is an arithmetic number, because the mean of its divisors is an integer number (15117717888).

Almost surely, 2^898340469390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 898340469390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451300917248).

898340469390 is an abundant number, since it is smaller than the sum of its proper divisors (2004261365106).

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

898340469390 is a wasteful number, since it uses less digits than its factorization.

898340469390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065063 (or 1065060 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 898340469390 in words is "eight hundred ninety-eight billion, three hundred forty million, four hundred sixty-nine thousand, three hundred ninety".