598320340 has 48 divisors (see below), whose sum is σ = 1317964032. Its totient is φ = 227892096.

The previous prime is 598320319. The next prime is 598320341. The reversal of 598320340 is 43023895.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 598320296 and 598320305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598320341) 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, 26179 + ... + 43381.

It is an arithmetic number, because the mean of its divisors is an integer number (27457584).

Almost surely, 2^598320340 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 598320340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658982016).

598320340 is an abundant number, since it is smaller than the sum of its proper divisors (719643692).

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

598320340 is a wasteful number, since it uses less digits than its factorization.

598320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17296 (or 17294 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 598320340 is about 24460.5874827241. The cubic root of 598320340 is about 842.6448852253.

The spelling of 598320340 in words is "five hundred ninety-eight million, three hundred twenty thousand, three hundred forty".