6940169 has 4 divisors (see below), whose sum is σ = 6994944. Its totient is φ = 6885396.

The previous prime is 6940147. The next prime is 6940177. The reversal of 6940169 is 9610496.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6940169 - 2¹⁶ = 6874633 is a prime.

It is a super-2 number, since 2×6940169² = 96331891497122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6940189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27197 + ... + 27450.

It is an arithmetic number, because the mean of its divisors is an integer number (1748736).

Almost surely, 2^6940169 is an apocalyptic number.

It is an amenable number.

6940169 is a deficient number, since it is larger than the sum of its proper divisors (54775).

6940169 is a wasteful number, since it uses less digits than its factorization.

6940169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54774.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6940169 is about 2634.4200500300. The cubic root of 6940169 is about 190.7465457572.

The spelling of 6940169 in words is "six million, nine hundred forty thousand, one hundred sixty-nine".