5011398 has 48 divisors (see below), whose sum is σ = 12819456. Its totient is φ = 1384560.

The previous prime is 5011387. The next prime is 5011439. The reversal of 5011398 is 8931105.

It is a super-2 number, since 2×5011398² = 50228219828808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3265 + ... + 4547.

It is an arithmetic number, because the mean of its divisors is an integer number (267072).

Almost surely, 2^5011398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5011398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6409728).

5011398 is an abundant number, since it is smaller than the sum of its proper divisors (7808058).

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

5011398 is a wasteful number, since it uses less digits than its factorization.

5011398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 5011398 is about 2238.6151969465. The cubic root of 5011398 is about 171.1274314312.

The spelling of 5011398 in words is "five million, eleven thousand, three hundred ninety-eight".