6909601 has 4 divisors (see below), whose sum is σ = 6980932. Its totient is φ = 6838272.

The previous prime is 6909587. The next prime is 6909613. The reversal of 6909601 is 1069096.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4100625 + 2808976 = 2025^2 + 1676^2 .

It is a cyclic number.

It is not a de Polignac number, because 6909601 - 2⁷ = 6909473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6909641) 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, 35520 + ... + 35713.

It is an arithmetic number, because the mean of its divisors is an integer number (1745233).

Almost surely, 2^6909601 is an apocalyptic number.

It is an amenable number.

6909601 is a deficient number, since it is larger than the sum of its proper divisors (71331).

6909601 is an equidigital number, since it uses as much as digits as its factorization.

6909601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71330.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 6909601 is about 2628.6119911467. The cubic root of 6909601 is about 190.4660856356.

The spelling of 6909601 in words is "six million, nine hundred nine thousand, six hundred one".