6446172 has 12 divisors (see below), whose sum is σ = 15041096. Its totient is φ = 2148720.

The previous prime is 6446159. The next prime is 6446183. The reversal of 6446172 is 2716446.

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

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 268579 + ... + 268602.

Almost surely, 2^6446172 is an apocalyptic number.

It is an amenable number.

6446172 is an abundant number, since it is smaller than the sum of its proper divisors (8594924).

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

6446172 is a wasteful number, since it uses less digits than its factorization.

6446172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537188 (or 537186 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 6446172 is about 2538.9312712242. The cubic root of 6446172 is about 186.1089660966.

The spelling of 6446172 in words is "six million, four hundred forty-six thousand, one hundred seventy-two".