4643646 has 16 divisors (see below), whose sum is σ = 10614144. Its totient is φ = 1326744.

The previous prime is 4643641. The next prime is 4643659. The reversal of 4643646 is 6463464.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4643641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55240 + ... + 55323.

It is an arithmetic number, because the mean of its divisors is an integer number (663384).

Almost surely, 2^4643646 is an apocalyptic number.

4643646 is an abundant number, since it is smaller than the sum of its proper divisors (5970498).

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

4643646 is a wasteful number, since it uses less digits than its factorization.

4643646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110575.

The product of its digits is 41472, while the sum is 33.

The square root of 4643646 is about 2154.9120631710. The cubic root of 4643646 is about 166.8346936558.

The spelling of 4643646 in words is "four million, six hundred forty-three thousand, six hundred forty-six".