5128464 has 60 divisors (see below), whose sum is σ = 14578928. Its totient is φ = 1552320.

The previous prime is 5128463. The next prime is 5128489. The reversal of 5128464 is 4648215.

It is a super-2 number, since 2×5128464² = 52602285998592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5128463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5367 + ... + 6249.

Almost surely, 2^5128464 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 5128464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7289464).

5128464 is an abundant number, since it is smaller than the sum of its proper divisors (9450464).

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

5128464 is a wasteful number, since it uses less digits than its factorization.

5128464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 899 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 5128464 is about 2264.6112249126. The cubic root of 5128464 is about 172.4496975782.

Subtracting from 5128464 its reverse (4648215), we obtain a square (480249 = 693²).

The spelling of 5128464 in words is "five million, one hundred twenty-eight thousand, four hundred sixty-four".