6926649 has 4 divisors (see below), whose sum is σ = 9235536. Its totient is φ = 4617764.

The previous prime is 6926639. The next prime is 6926651. The reversal of 6926649 is 9466296.

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 not a de Polignac number, because 6926649 - 2⁵ = 6926617 is a prime.

It is a D-number.

6926649 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6926649.

It is not an unprimeable number, because it can be changed into a prime (6926629) 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, 1154439 + ... + 1154444.

It is an arithmetic number, because the mean of its divisors is an integer number (2308884).

Almost surely, 2^6926649 is an apocalyptic number.

It is an amenable number.

6926649 is a deficient number, since it is larger than the sum of its proper divisors (2308887).

6926649 is a wasteful number, since it uses less digits than its factorization.

6926649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308886.

The product of its digits is 139968, while the sum is 42.

The square root of 6926649 is about 2631.8527694383. The cubic root of 6926649 is about 190.6226021019.

The spelling of 6926649 in words is "six million, nine hundred twenty-six thousand, six hundred forty-nine".