6198740 has 12 divisors (see below), whose sum is σ = 13017396. Its totient is φ = 2479488.

The previous prime is 6198737. The next prime is 6198757. The reversal of 6198740 is 478916.

It can be written as a sum of positive squares in 2 ways, for example, as 2709316 + 3489424 = 1646^2 + 1868^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6198740.

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 3 ways as a sum of consecutive naturals, for example, 154949 + ... + 154988.

It is an arithmetic number, because the mean of its divisors is an integer number (1084783).

Almost surely, 2^6198740 is an apocalyptic number.

It is an amenable number.

6198740 is an abundant number, since it is smaller than the sum of its proper divisors (6818656).

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

6198740 is a wasteful number, since it uses less digits than its factorization.

6198740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309946 (or 309944 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 6198740 is about 2489.7268926531. The cubic root of 6198740 is about 183.6966093513.

The spelling of 6198740 in words is "six million, one hundred ninety-eight thousand, seven hundred forty".