6942949 has 4 divisors (see below), whose sum is σ = 7477036. Its totient is φ = 6408864.

The previous prime is 6942931. The next prime is 6942967. The reversal of 6942949 is 9492496.

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

It is an interprime number because it is at equal distance from previous prime (6942931) and next prime (6942967).

It can be written as a sum of positive squares in 2 ways, for example, as 2608225 + 4334724 = 1615^2 + 2082^2 .

It is a cyclic number.

It is not a de Polignac number, because 6942949 - 2⁵ = 6942917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6942989) 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, 267024 + ... + 267049.

It is an arithmetic number, because the mean of its divisors is an integer number (1869259).

Almost surely, 2^6942949 is an apocalyptic number.

It is an amenable number.

6942949 is a deficient number, since it is larger than the sum of its proper divisors (534087).

6942949 is a wasteful number, since it uses less digits than its factorization.

6942949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534086.

The product of its digits is 139968, while the sum is 43.

The square root of 6942949 is about 2634.9476275630. The cubic root of 6942949 is about 190.7720112566.

The spelling of 6942949 in words is "six million, nine hundred forty-two thousand, nine hundred forty-nine".