6890172 has 12 divisors (see below), whose sum is σ = 16077096. Its totient is φ = 2296720.

The previous prime is 6890171. The next prime is 6890183. The reversal of 6890172 is 2710986.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890171) 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 3 ways as a sum of consecutive naturals, for example, 287079 + ... + 287102.

It is an arithmetic number, because the mean of its divisors is an integer number (1339758).

Almost surely, 2^6890172 is an apocalyptic number.

It is an amenable number.

6890172 is an abundant number, since it is smaller than the sum of its proper divisors (9186924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6890172 is a wasteful number, since it uses less digits than its factorization.

6890172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574188 (or 574186 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 6890172 is about 2624.9137128675. The cubic root of 6890172 is about 190.2873951667.

The spelling of 6890172 in words is "six million, eight hundred ninety thousand, one hundred seventy-two".