4643982 has 24 divisors (see below), whose sum is σ = 11499696. Its totient is φ = 1326816.

The previous prime is 4643963. The next prime is 4643983. The reversal of 4643982 is 2893464.

It is a happy number.

4643982 is a `hidden beast` number, since 4 + 643 + 9 + 8 + 2 = 666.

4643982 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

4643982 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4643983) 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, 18303 + ... + 18554.

It is an arithmetic number, because the mean of its divisors is an integer number (479154).

Almost surely, 2^4643982 is an apocalyptic number.

4643982 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4643982 is an abundant number, since it is smaller than the sum of its proper divisors (6855714).

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

4643982 is a wasteful number, since it uses less digits than its factorization.

4643982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36872 (or 36869 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4643982 is about 2154.9900231788. The cubic root of 4643982 is about 166.8387174412.

It can be divided in two parts, 4643 and 982, that added together give a square (5625 = 75²).

The spelling of 4643982 in words is "four million, six hundred forty-three thousand, nine hundred eighty-two".