6941538 has 54 divisors (see below), whose sum is σ = 16326219. Its totient is φ = 2213244.

The previous prime is 6941509. The next prime is 6941549. The reversal of 6941538 is 8351496.

It can be written as a sum of positive squares in only one way, i.e., 3470769 + 3470769 = 1863^2 + 1863^2 .

It is a tau number, because it is divible by the number of its divisors (54).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1863.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (25920) is a multiple of the sum of its prime factors (72).

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 26 ways as a sum of consecutive naturals, for example, 301795 + ... + 301817.

Almost surely, 2^6941538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6941538

6941538 is an abundant number, since it is smaller than the sum of its proper divisors (9384681).

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

6941538 is an frugal number, since it uses more digits than its factorization.

6941538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 28 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 6941538 is about 2634.6798667011. The cubic root of 6941538 is about 190.7590869913.

The spelling of 6941538 in words is "six million, nine hundred forty-one thousand, five hundred thirty-eight".