4385620 has 12 divisors (see below), whose sum is σ = 9209844. Its totient is φ = 1754240.

The previous prime is 4385611. The next prime is 4385627. The reversal of 4385620 is 265834.

It can be written as a sum of positive squares in 2 ways, for example, as 1522756 + 2862864 = 1234^2 + 1692^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4385627) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 109621 + ... + 109660.

It is an arithmetic number, because the mean of its divisors is an integer number (767487).

Almost surely, 2^4385620 is an apocalyptic number.

It is an amenable number.

4385620 is an abundant number, since it is smaller than the sum of its proper divisors (4824224).

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

4385620 is a wasteful number, since it uses less digits than its factorization.

4385620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219290 (or 219288 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4385620 is about 2094.1871931611. The cubic root of 4385620 is about 163.6855465703.

It can be divided in two parts, 4385 and 620, that added together give a palindrome (5005).

The spelling of 4385620 in words is "four million, three hundred eighty-five thousand, six hundred twenty".