6198881 has 8 divisors (see below), whose sum is σ = 6786024. Its totient is φ = 5627520.

The previous prime is 6198859. The next prime is 6198889. The reversal of 6198881 is 1888916.

It can be written as a sum of positive squares in 4 ways, for example, as 1288225 + 4910656 = 1135^2 + 2216^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6198881 - 2⁶ = 6198817 is a prime.

It is a super-2 number, since 2×6198881² = 76852251304322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6198889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3116 + ... + 4701.

It is an arithmetic number, because the mean of its divisors is an integer number (848253).

Almost surely, 2^6198881 is an apocalyptic number.

6198881 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6198881 is a deficient number, since it is larger than the sum of its proper divisors (587143).

6198881 is a wasteful number, since it uses less digits than its factorization.

6198881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7891.

The product of its digits is 27648, while the sum is 41.

The square root of 6198881 is about 2489.7552088509. The cubic root of 6198881 is about 183.6980021627.

The spelling of 6198881 in words is "six million, one hundred ninety-eight thousand, eight hundred eighty-one".