5111998 has 8 divisors (see below), whose sum is σ = 7687008. Its totient is φ = 2549664.

The previous prime is 5111963. The next prime is 5111999. The reversal of 5111998 is 8991115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5111998² = 52265047104008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2086 + ... + 3817.

It is an arithmetic number, because the mean of its divisors is an integer number (960876).

Almost surely, 2^5111998 is an apocalyptic number.

5111998 is a deficient number, since it is larger than the sum of its proper divisors (2575010).

5111998 is a wasteful number, since it uses less digits than its factorization.

5111998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6338.

The product of its digits is 3240, while the sum is 34.

The square root of 5111998 is about 2260.9727994826. The cubic root of 5111998 is about 172.2649378302.

The spelling of 5111998 in words is "five million, one hundred eleven thousand, nine hundred ninety-eight".