6918049 has 4 divisors (see below), whose sum is σ = 6953364. Its totient is φ = 6882736.

The previous prime is 6918047. The next prime is 6918061. The reversal of 6918049 is 9408196.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3045025 + 3873024 = 1745^2 + 1968^2 .

It is a cyclic number.

It is not a de Polignac number, because 6918049 - 2¹ = 6918047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6917999 and 6918017.

It is not an unprimeable number, because it can be changed into a prime (6918047) 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, 17362 + ... + 17755.

It is an arithmetic number, because the mean of its divisors is an integer number (1738341).

Almost surely, 2^6918049 is an apocalyptic number.

It is an amenable number.

6918049 is a deficient number, since it is larger than the sum of its proper divisors (35315).

6918049 is a wasteful number, since it uses less digits than its factorization.

6918049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35314.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 6918049 is about 2630.2184319938. The cubic root of 6918049 is about 190.5436782571.

The spelling of 6918049 in words is "six million, nine hundred eighteen thousand, forty-nine".