6898149 has 8 divisors (see below), whose sum is σ = 10219520. Its totient is φ = 4598748.

The previous prime is 6898139. The next prime is 6898163. The reversal of 6898149 is 9418986.

It is not a de Polignac number, because 6898149 - 2⁵ = 6898117 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 (6898139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127717 + ... + 127770.

It is an arithmetic number, because the mean of its divisors is an integer number (1277440).

Almost surely, 2^6898149 is an apocalyptic number.

It is an amenable number.

6898149 is a deficient number, since it is larger than the sum of its proper divisors (3321371).

6898149 is a wasteful number, since it uses less digits than its factorization.

6898149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255496 (or 255490 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 6898149 is about 2626.4327518518. The cubic root of 6898149 is about 190.3608010334.

The spelling of 6898149 in words is "six million, eight hundred ninety-eight thousand, one hundred forty-nine".