6469456 has 40 divisors (see below), whose sum is σ = 14641920. Its totient is φ = 2711424.

The previous prime is 6469439. The next prime is 6469457. The reversal of 6469456 is 6549646.

It is a Smith number, since the sum of its digits (40) 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 (6469457) 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 7 ways as a sum of consecutive naturals, for example, 4650 + ... + 5878.

It is an arithmetic number, because the mean of its divisors is an integer number (366048).

Almost surely, 2^6469456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6469456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7320960).

6469456 is an abundant number, since it is smaller than the sum of its proper divisors (8172464).

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

6469456 is a wasteful number, since it uses less digits than its factorization.

6469456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291 (or 1285 counting only the distinct ones).

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

The square root of 6469456 is about 2543.5125319133. The cubic root of 6469456 is about 186.3327761422.

The spelling of 6469456 in words is "six million, four hundred sixty-nine thousand, four hundred fifty-six".