4813992 has 160 divisors (see below), whose sum is σ = 15681600. Its totient is φ = 1368576.

The previous prime is 4813961. The next prime is 4813997. The reversal of 4813992 is 2993184.

Added to its reverse (2993184) it gives a triangular number (7807176 = T₃₉₅₁).

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

It is a nude number because it is divisible by every one of its digits.

Its product of digits (15552) is a multiple of the sum of its prime divisors (64).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4813997) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 209293 + ... + 209315.

It is an arithmetic number, because the mean of its divisors is an integer number (98010).

Almost surely, 2^4813992 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 4813992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7840800).

4813992 is an abundant number, since it is smaller than the sum of its proper divisors (10867608).

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

4813992 is a wasteful number, since it uses less digits than its factorization.

4813992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 64 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 4813992 is about 2194.0811288555. The cubic root of 4813992 is about 168.8502811360.

Adding to 4813992 its reverse (2993184), we get a triangular number (7807176 = T₃₉₅₁).

The spelling of 4813992 in words is "four million, eight hundred thirteen thousand, nine hundred ninety-two".