998585340 has 96 divisors (see below), whose sum is σ = 2897052480. Its totient is φ = 256819200.

The previous prime is 998585339. The next prime is 998585369. The reversal of 998585340 is 43585899.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216660 + ... + 221220.

It is an arithmetic number, because the mean of its divisors is an integer number (30177630).

Almost surely, 2^998585340 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 998585340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448526240).

998585340 is an abundant number, since it is smaller than the sum of its proper divisors (1898467140).

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

998585340 is a wasteful number, since it uses less digits than its factorization.

998585340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703 (or 4701 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The square root of 998585340 is about 31600.4009468234. The cubic root of 998585340 is about 999.5282241292.

The spelling of 998585340 in words is "nine hundred ninety-eight million, five hundred eighty-five thousand, three hundred forty".