6889949 has 16 divisors (see below), whose sum is σ = 7945344. Its totient is φ = 5913600.

The previous prime is 6889937. The next prime is 6889963. The reversal of 6889949 is 9499886.

It is not a de Polignac number, because 6889949 - 2¹⁶ = 6824413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6889949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6889969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28469 + ... + 28709.

It is an arithmetic number, because the mean of its divisors is an integer number (496584).

Almost surely, 2^6889949 is an apocalyptic number.

It is an amenable number.

6889949 is a deficient number, since it is larger than the sum of its proper divisors (1055395).

6889949 is a wasteful number, since it uses less digits than its factorization.

6889949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388.

The product of its digits is 1119744, while the sum is 53.

The square root of 6889949 is about 2624.8712349371. The cubic root of 6889949 is about 190.2853422645.

The spelling of 6889949 in words is "six million, eight hundred eighty-nine thousand, nine hundred forty-nine".