6842949 has 4 divisors (see below), whose sum is σ = 9123936. Its totient is φ = 4561964.

The previous prime is 6842929. The next prime is 6842963. The reversal of 6842949 is 9492486.

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 6842949 - 2⁵ = 6842917 is a prime.

It is an Ulam number.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6842949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6842929) 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, 1140489 + ... + 1140494.

It is an arithmetic number, because the mean of its divisors is an integer number (2280984).

Almost surely, 2^6842949 is an apocalyptic number.

It is an amenable number.

6842949 is a deficient number, since it is larger than the sum of its proper divisors (2280987).

6842949 is a wasteful number, since it uses less digits than its factorization.

6842949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280986.

The product of its digits is 124416, while the sum is 42.

The square root of 6842949 is about 2615.9030945354. The cubic root of 6842949 is about 189.8516755603.

The spelling of 6842949 in words is "six million, eight hundred forty-two thousand, nine hundred forty-nine".