4529820 has 48 divisors (see below), whose sum is σ = 13432608. Its totient is φ = 1136640.

The previous prime is 4529783. The next prime is 4529839. The reversal of 4529820 is 289254.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201 + ... + 3240.

It is an arithmetic number, because the mean of its divisors is an integer number (279846).

Almost surely, 2^4529820 is an apocalyptic number.

It is an amenable number.

4529820 is an abundant number, since it is smaller than the sum of its proper divisors (8902788).

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

4529820 is a wasteful number, since it uses less digits than its factorization.

4529820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470 (or 4468 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4529820 is about 2128.3373792705. The cubic root of 4529820 is about 165.4602393813.

The spelling of 4529820 in words is "four million, five hundred twenty-nine thousand, eight hundred twenty".