6942649 has 8 divisors (see below), whose sum is σ = 7958720. Its totient is φ = 5932656.

The previous prime is 6942631. The next prime is 6942673. The reversal of 6942649 is 9462496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6942649 - 2⁷ = 6942521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6942679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282 + ... + 3940.

It is an arithmetic number, because the mean of its divisors is an integer number (994840).

Almost surely, 2^6942649 is an apocalyptic number.

It is an amenable number.

6942649 is a deficient number, since it is larger than the sum of its proper divisors (1016071).

6942649 is a wasteful number, since it uses less digits than its factorization.

6942649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039.

The product of its digits is 93312, while the sum is 40.

The square root of 6942649 is about 2634.8906998204. The cubic root of 6942649 is about 190.7692635084.

The spelling of 6942649 in words is "six million, nine hundred forty-two thousand, six hundred forty-nine".