6945636 has 12 divisors (see below), whose sum is σ = 16206512. Its totient is φ = 2315208.

The previous prime is 6945623. The next prime is 6945637. The reversal of 6945636 is 6365496.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 6945594 and 6945603.

It is not an unprimeable number, because it can be changed into a prime (6945637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289390 + ... + 289413.

Almost surely, 2^6945636 is an apocalyptic number.

It is an amenable number.

6945636 is an abundant number, since it is smaller than the sum of its proper divisors (9260876).

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

6945636 is a wasteful number, since it uses less digits than its factorization.

6945636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578810 (or 578808 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 6945636 is about 2635.4574555473. The cubic root of 6945636 is about 190.7966183931.

The spelling of 6945636 in words is "six million, nine hundred forty-five thousand, six hundred thirty-six".