6945864 has 32 divisors (see below), whose sum is σ = 17478720. Its totient is φ = 2300096.

The previous prime is 6945857. The next prime is 6945881. The reversal of 6945864 is 4685496.

6945864 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3142 + ... + 4874.

It is an arithmetic number, because the mean of its divisors is an integer number (546210).

Almost surely, 2^6945864 is an apocalyptic number.

It is an amenable number.

6945864 is an abundant number, since it is smaller than the sum of its proper divisors (10532856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6945864 is a wasteful number, since it uses less digits than its factorization.

6945864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909 (or 1905 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 6945864 is about 2635.5007114399. The cubic root of 6945864 is about 190.7987060902.

The spelling of 6945864 in words is "six million, nine hundred forty-five thousand, eight hundred sixty-four".