6199638 has 8 divisors (see below), whose sum is σ = 12399288. Its totient is φ = 2066544.

The previous prime is 6199637. The next prime is 6199639. The reversal of 6199638 is 8369916.

It is an interprime number because it is at equal distance from previous prime (6199637) and next prime (6199639).

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

6199638 is an admirable number.

It is a super-2 number, since 2×6199638² = 76871022662088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6199638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6199631) 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 3 ways as a sum of consecutive naturals, for example, 516631 + ... + 516642.

It is an arithmetic number, because the mean of its divisors is an integer number (1549911).

Almost surely, 2^6199638 is an apocalyptic number.

6199638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6199638 is a wasteful number, since it uses less digits than its factorization.

6199638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033278.

The product of its digits is 69984, while the sum is 42.

The square root of 6199638 is about 2489.9072271874. The cubic root of 6199638 is about 183.7054795190.

It can be divided in two parts, 61 and 99638, that added together give a palindrome (99699).

The spelling of 6199638 in words is "six million, one hundred ninety-nine thousand, six hundred thirty-eight".