4643936 has 48 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 2071680.

The previous prime is 4643921. The next prime is 4643939. The reversal of 4643936 is 6393464.

It is a happy number.

It is a super-2 number, since 2×4643936² = 43132283144192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4643896 and 4643905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4643939) 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, 27725 + ... + 27891.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 2^4643936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4643936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5080320).

4643936 is an abundant number, since it is smaller than the sum of its proper divisors (5516704).

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

4643936 is a wasteful number, since it uses less digits than its factorization.

4643936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 259 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The square root of 4643936 is about 2154.9793502491. The cubic root of 4643936 is about 166.8381665773.

The spelling of 4643936 in words is "four million, six hundred forty-three thousand, nine hundred thirty-six".