6940913 has 24 divisors (see below), whose sum is σ = 8723712. Its totient is φ = 5405184.

The previous prime is 6940907. The next prime is 6940919. The reversal of 6940913 is 3190496.

It is an interprime number because it is at equal distance from previous prime (6940907) and next prime (6940919).

It is not a de Polignac number, because 6940913 - 2²² = 2746609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6940913.

It is not an unprimeable number, because it can be changed into a prime (6940919) 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 23 ways as a sum of consecutive naturals, for example, 95045 + ... + 95117.

It is an arithmetic number, because the mean of its divisors is an integer number (363488).

Almost surely, 2^6940913 is an apocalyptic number.

It is an amenable number.

6940913 is a deficient number, since it is larger than the sum of its proper divisors (1782799).

6940913 is a wasteful number, since it uses less digits than its factorization.

6940913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 6940913 is about 2634.5612537954. The cubic root of 6940913 is about 190.7533616507.

The spelling of 6940913 in words is "six million, nine hundred forty thousand, nine hundred thirteen".