6969641 has 4 divisors (see below), whose sum is σ = 7965312. Its totient is φ = 5973972.

The previous prime is 6969629. The next prime is 6969647. The reversal of 6969641 is 1469696.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6969641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6969647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497825 + ... + 497838.

It is an arithmetic number, because the mean of its divisors is an integer number (1991328).

Almost surely, 2^6969641 is an apocalyptic number.

It is an amenable number.

6969641 is a deficient number, since it is larger than the sum of its proper divisors (995671).

6969641 is an equidigital number, since it uses as much as digits as its factorization.

6969641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995670.

The product of its digits is 69984, while the sum is 41.

The square root of 6969641 is about 2640.0077651401. The cubic root of 6969641 is about 191.0161714331.

Subtracting from 6969641 its sum of digits (41), we obtain a square (6969600 = 2640²).

Subtracting from 6969641 its reverse (1469696), we obtain a palindrome (5499945).

The spelling of 6969641 in words is "six million, nine hundred sixty-nine thousand, six hundred forty-one".