4723992 has 144 divisors (see below), whose sum is σ = 16183440. Its totient is φ = 1233792.

The previous prime is 4723987. The next prime is 4724047. The reversal of 4723992 is 2993274.

It is a super-2 number, since 2×4723992² = 44632200832128, which contains 22 as substring.

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.

It is a d-powerful number, because it can be written as 4¹¹ + 7⁴ + 2 + 3⁷ + 9² + 9³ + 2¹⁹ .

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45813 + ... + 45915.

It is an arithmetic number, because the mean of its divisors is an integer number (112385).

Almost surely, 2^4723992 is an apocalyptic number.

4723992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4723992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8091720).

4723992 is an abundant number, since it is smaller than the sum of its proper divisors (11459448).

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

4723992 is a wasteful number, since it uses less digits than its factorization.

4723992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 128 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 4723992 is about 2173.4746375332. The cubic root of 4723992 is about 167.7914077815.

The spelling of 4723992 in words is "four million, seven hundred twenty-three thousand, nine hundred ninety-two".