4543992 has 64 divisors (see below), whose sum is σ = 12804000. Its totient is φ = 1492992.

The previous prime is 4543991. The next prime is 4543993. The reversal of 4543992 is 2993454.

4543992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4543991) and next prime (4543993).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 4⁹ + 5⁷ + 4¹¹ + 3⁸ + 9² + 9³ + 2¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4543991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23448 + ... + 23640.

Almost surely, 2^4543992 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 4543992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6402000).

4543992 is an abundant number, since it is smaller than the sum of its proper divisors (8260008).

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

4543992 is a wasteful number, since it uses less digits than its factorization.

4543992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 307 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 4543992 is about 2131.6641386485. The cubic root of 4543992 is about 165.6326127746.

The spelling of 4543992 in words is "four million, five hundred forty-three thousand, nine hundred ninety-two".