4578432 has 32 divisors (see below), whose sum is σ = 12162480. Its totient is φ = 1526016.

The previous prime is 4578407. The next prime is 4578437. The reversal of 4578432 is 2348754.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4578393 and 4578402.

It is not an unprimeable number, because it can be changed into a prime (4578437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5578 + ... + 6345.

Almost surely, 2^4578432 is an apocalyptic number.

It is an amenable number.

4578432 is an abundant number, since it is smaller than the sum of its proper divisors (7584048).

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

4578432 is a wasteful number, since it uses less digits than its factorization.

4578432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11940 (or 11928 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 4578432 is about 2139.7270854013. The cubic root of 4578432 is about 166.0500163795.

The spelling of 4578432 in words is "four million, five hundred seventy-eight thousand, four hundred thirty-two".