4645820 has 24 divisors (see below), whose sum is σ = 9828000. Its totient is φ = 1844672.

The previous prime is 4645813. The next prime is 4645841. The reversal of 4645820 is 285464.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (409500).

Almost surely, 2^4645820 is an apocalyptic number.

It is an amenable number.

4645820 is an abundant number, since it is smaller than the sum of its proper divisors (5182180).

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

4645820 is a wasteful number, since it uses less digits than its factorization.

4645820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1715 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4645820 is about 2155.4164330820. The cubic root of 4645820 is about 166.8607250714.

The spelling of 4645820 in words is "four million, six hundred forty-five thousand, eight hundred twenty".