6469928 has 32 divisors (see below), whose sum is σ = 12989160. Its totient is φ = 3010560.

The previous prime is 6469921. The next prime is 6469943. The reversal of 6469928 is 8299646.

6469928 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2316484 + 4153444 = 1522^2 + 2038^2 .

It is a d-powerful number, because it can be written as 6 + 4¹¹ + 6⁶ + 9 + 9³ + 2¹⁷ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (6469921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15158 + ... + 15578.

Almost surely, 2^6469928 is an apocalyptic number.

6469928 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6469928 is an abundant number, since it is smaller than the sum of its proper divisors (6519232).

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

6469928 is a wasteful number, since it uses less digits than its factorization.

6469928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 553 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 6469928 is about 2543.6053152956. The cubic root of 6469928 is about 186.3373075347.

The spelling of 6469928 in words is "six million, four hundred sixty-nine thousand, nine hundred twenty-eight".