6940930 has 16 divisors (see below), whose sum is σ = 13228920. Its totient is φ = 2612992.

The previous prime is 6940919. The next prime is 6940939. The reversal of 6940930 is 390496.

It can be written as a sum of positive squares in 4 ways, for example, as 6922161 + 18769 = 2631^2 + 137^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6940892 and 6940901.

It is not an unprimeable number, because it can be changed into a prime (6940939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20245 + ... + 20584.

Almost surely, 2^6940930 is an apocalyptic number.

6940930 is a deficient number, since it is larger than the sum of its proper divisors (6287990).

6940930 is a wasteful number, since it uses less digits than its factorization.

6940930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40853.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 6940930 is about 2634.5644801371. The cubic root of 6940930 is about 190.7535173845.

The spelling of 6940930 in words is "six million, nine hundred forty thousand, nine hundred thirty".