4609820 has 24 divisors (see below), whose sum is σ = 9800784. Its totient is φ = 1821056.

The previous prime is 4609783. The next prime is 4609849. The reversal of 4609820 is 289064.

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 7 ways as a sum of consecutive naturals, for example, 272 + ... + 3048.

It is an arithmetic number, because the mean of its divisors is an integer number (408366).

Almost surely, 2^4609820 is an apocalyptic number.

It is an amenable number.

4609820 is an abundant number, since it is smaller than the sum of its proper divisors (5190964).

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

4609820 is a wasteful number, since it uses less digits than its factorization.

4609820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869 (or 2867 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4609820 is about 2147.0491377703. The cubic root of 4609820 is about 166.4286112507.

The spelling of 4609820 in words is "four million, six hundred nine thousand, eight hundred twenty".