6940906 has 16 divisors (see below), whose sum is σ = 11940480. Its totient is φ = 2964240.

The previous prime is 6940891. The next prime is 6940907. The reversal of 6940906 is 6090496.

It is a super-2 number, since 2×6940906² = 96352352201672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6940907) 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 7 ways as a sum of consecutive naturals, for example, 4336 + ... + 5716.

It is an arithmetic number, because the mean of its divisors is an integer number (746280).

Almost surely, 2^6940906 is an apocalyptic number.

6940906 is a deficient number, since it is larger than the sum of its proper divisors (4999574).

6940906 is a wasteful number, since it uses less digits than its factorization.

6940906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 6940906 is about 2634.5599253006. The cubic root of 6940906 is about 190.7532975250.

The spelling of 6940906 in words is "six million, nine hundred forty thousand, nine hundred six".