4503920 has 20 divisors (see below), whose sum is σ = 10471800. Its totient is φ = 1801536.

The previous prime is 4503913. The next prime is 4503923. The reversal of 4503920 is 293054.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4503923) 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, 28070 + ... + 28229.

It is an arithmetic number, because the mean of its divisors is an integer number (523590).

Almost surely, 2^4503920 is an apocalyptic number.

4503920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4503920 is an abundant number, since it is smaller than the sum of its proper divisors (5967880).

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

4503920 is a wasteful number, since it uses less digits than its factorization.

4503920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56312 (or 56306 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 4503920 is about 2122.2440952916. The cubic root of 4503920 is about 165.1442876233.

Adding to 4503920 its reverse (293054), we get a palindrome (4796974).

The spelling of 4503920 in words is "four million, five hundred three thousand, nine hundred twenty".