6469564 has 6 divisors (see below), whose sum is σ = 11321744. Its totient is φ = 3234780.

The previous prime is 6469559. The next prime is 6469577. The reversal of 6469564 is 4659646.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6 + 4² + 6⁷ + 9⁷ + 5⁷ + 6⁷ + 4¹⁰ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808692 + ... + 808699.

Almost surely, 2^6469564 is an apocalyptic number.

It is an amenable number.

6469564 is a deficient number, since it is larger than the sum of its proper divisors (4852180).

6469564 is a wasteful number, since it uses less digits than its factorization.

6469564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617395 (or 1617393 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 6469564 is about 2543.5337623079. The cubic root of 6469564 is about 186.3338130057. Note that the first 3 decimals are identical.

The spelling of 6469564 in words is "six million, four hundred sixty-nine thousand, five hundred sixty-four".