6198381 has 12 divisors (see below), whose sum is σ = 10232352. Its totient is φ = 3541896.

The previous prime is 6198377. The next prime is 6198391. The reversal of 6198381 is 1838916.

6198381 is a `hidden beast` number, since 619 + 8 + 38 + 1 = 666.

It is not a de Polignac number, because 6198381 - 2² = 6198377 is a prime.

It is a super-2 number, since 2×6198381² = 76839854042322, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6198331) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 49131 + ... + 49256.

It is an arithmetic number, because the mean of its divisors is an integer number (852696).

Almost surely, 2^6198381 is an apocalyptic number.

It is an amenable number.

6198381 is a deficient number, since it is larger than the sum of its proper divisors (4033971).

6198381 is a wasteful number, since it uses less digits than its factorization.

6198381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98400 (or 98397 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 6198381 is about 2489.6547953481. The cubic root of 6198381 is about 183.6930630201.

The spelling of 6198381 in words is "six million, one hundred ninety-eight thousand, three hundred eighty-one".