6463428 has 24 divisors (see below), whose sum is σ = 15124032. Its totient is φ = 2148384.

The previous prime is 6463421. The next prime is 6463441. The reversal of 6463428 is 8243646.

6463428 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6463428² = 83551803022368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6463421) 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, 6201 + ... + 7167.

It is an arithmetic number, because the mean of its divisors is an integer number (630168).

Almost surely, 2^6463428 is an apocalyptic number.

It is an amenable number.

6463428 is an abundant number, since it is smaller than the sum of its proper divisors (8660604).

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

6463428 is a wasteful number, since it uses less digits than its factorization.

6463428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531 (or 1529 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 6463428 is about 2542.3272802690. The cubic root of 6463428 is about 186.2748854936.

The spelling of 6463428 in words is "six million, four hundred sixty-three thousand, four hundred twenty-eight".