5398958838 has 192 divisors, whose sum is σ = 14321152512. Its totient is φ = 1323878400.

The previous prime is 5398958837. The next prime is 5398958839. The reversal of 5398958838 is 8388598935.

It is an interprime number because it is at equal distance from previous prime (5398958837) and next prime (5398958839).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5398958833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12187045 + ... + 12187487.

It is an arithmetic number, because the mean of its divisors is an integer number (74589336).

Almost surely, 2^5398958838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5398958838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7160576256).

5398958838 is an abundant number, since it is smaller than the sum of its proper divisors (8922193674).

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

5398958838 is a wasteful number, since it uses less digits than its factorization.

5398958838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 586 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 66.

The square root of 5398958838 is about 73477.6077318798. The cubic root of 5398958838 is about 1754.2978810078.

The spelling of 5398958838 in words is "five billion, three hundred ninety-eight million, nine hundred fifty-eight thousand, eight hundred thirty-eight".