6940630 has 16 divisors (see below), whose sum is σ = 12784464. Its totient is φ = 2711520.

The previous prime is 6940589. The next prime is 6940639. The reversal of 6940630 is 360496.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940639) 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, 7641 + ... + 8500.

It is an arithmetic number, because the mean of its divisors is an integer number (799029).

Almost surely, 2^6940630 is an apocalyptic number.

6940630 is a deficient number, since it is larger than the sum of its proper divisors (5843834).

6940630 is a wasteful number, since it uses less digits than its factorization.

6940630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16191.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 6940630 is about 2634.5075441152. The cubic root of 6940630 is about 190.7507691035.

The spelling of 6940630 in words is "six million, nine hundred forty thousand, six hundred thirty".