6889473 has 6 divisors (see below), whose sum is σ = 9951474. Its totient is φ = 4592976.

The previous prime is 6889453. The next prime is 6889481. The reversal of 6889473 is 3749886.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6594624 + 294849 = 2568^2 + 543^2 .

It is not a de Polignac number, because 6889473 - 2⁸ = 6889217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6889433) 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, 382740 + ... + 382757.

It is an arithmetic number, because the mean of its divisors is an integer number (1658579).

It is a Proth number, since it is equal to 841 ⋅ 2¹³ + 1 and 841 < 2¹³.

Almost surely, 2^6889473 is an apocalyptic number.

It is an amenable number.

6889473 is a deficient number, since it is larger than the sum of its proper divisors (3062001).

6889473 is a wasteful number, since it uses less digits than its factorization.

6889473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765503 (or 765500 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 6889473 is about 2624.7805622566. The cubic root of 6889473 is about 190.2809601368.

The spelling of 6889473 in words is "six million, eight hundred eighty-nine thousand, four hundred seventy-three".