6910649 has 4 divisors (see below), whose sum is σ = 7211136. Its totient is φ = 6610164.

The previous prime is 6910639. The next prime is 6910679. The reversal of 6910649 is 9460196.

6910649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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-6910649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6910639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150209 + ... + 150254.

It is an arithmetic number, because the mean of its divisors is an integer number (1802784).

Almost surely, 2^6910649 is an apocalyptic number.

It is an amenable number.

6910649 is a deficient number, since it is larger than the sum of its proper divisors (300487).

6910649 is a wasteful number, since it uses less digits than its factorization.

6910649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300486.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6910649 is about 2628.8113283383. The cubic root of 6910649 is about 190.4757146704.

The spelling of 6910649 in words is "six million, nine hundred ten thousand, six hundred forty-nine".