4505820 has 48 divisors (see below), whose sum is σ = 13765248. Its totient is φ = 1092160.

The previous prime is 4505807. The next prime is 4505849. The reversal of 4505820 is 285054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2754 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (286776).

Almost surely, 2^4505820 is an apocalyptic number.

It is an amenable number.

4505820 is an abundant number, since it is smaller than the sum of its proper divisors (9259428).

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

4505820 is a wasteful number, since it uses less digits than its factorization.

4505820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850 (or 6848 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4505820 is about 2122.6916874572. The cubic root of 4505820 is about 165.1675066587.

The spelling of 4505820 in words is "four million, five hundred five thousand, eight hundred twenty".