4543920 has 60 divisors (see below), whose sum is σ = 15262416. Its totient is φ = 1211520.

The previous prime is 4543901. The next prime is 4543921. The reversal of 4543920 is 293454.

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (4543921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2436 + ... + 3875.

Almost surely, 2^4543920 is an apocalyptic number.

4543920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4543920 is an abundant number, since it is smaller than the sum of its proper divisors (10718496).

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

4543920 is a wasteful number, since it uses less digits than its factorization.

4543920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330 (or 6321 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4543920 is about 2131.6472503677. The cubic root of 4543920 is about 165.6317379483.

The spelling of 4543920 in words is "four million, five hundred forty-three thousand, nine hundred twenty".