6874209 has 6 divisors (see below), whose sum is σ = 9929426. Its totient is φ = 4582800.

The previous prime is 6874207. The next prime is 6874211. The reversal of 6874209 is 9024786.

6874209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6874207) and next prime (6874211).

It can be written as a sum of positive squares in only one way, i.e., 4161600 + 2712609 = 2040^2 + 1647^2 .

It is not a de Polignac number, because 6874209 - 2¹ = 6874207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6874201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381892 + ... + 381909.

Almost surely, 2^6874209 is an apocalyptic number.

It is an amenable number.

6874209 is a deficient number, since it is larger than the sum of its proper divisors (3055217).

6874209 is a wasteful number, since it uses less digits than its factorization.

6874209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763807 (or 763804 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6874209 is about 2621.8712783049. The cubic root of 6874209 is about 190.1403303089.

The spelling of 6874209 in words is "six million, eight hundred seventy-four thousand, two hundred nine".