4520646 has 24 divisors (see below), whose sum is σ = 10548720. Its totient is φ = 1390896.

The previous prime is 4520629. The next prime is 4520647. The reversal of 4520646 is 6460254.

It is a happy number.

4520646 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9426 + ... + 9893.

It is an arithmetic number, because the mean of its divisors is an integer number (439530).

Almost surely, 2^4520646 is an apocalyptic number.

4520646 is an abundant number, since it is smaller than the sum of its proper divisors (6028074).

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

4520646 is a wasteful number, since it uses less digits than its factorization.

4520646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19340 (or 19337 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4520646 is about 2126.1810835392. The cubic root of 4520646 is about 165.3484646589.

The spelling of 4520646 in words is "four million, five hundred twenty thousand, six hundred forty-six".