4564992 has 48 divisors (see below), whose sum is σ = 12186720. Its totient is φ = 1519616.

The previous prime is 4564991. The next prime is 4565003. The reversal of 4564992 is 2994654.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4564992.

It is not an unprimeable number, because it can be changed into a prime (4564991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5773 + ... + 6515.

It is an arithmetic number, because the mean of its divisors is an integer number (253890).

Almost surely, 2^4564992 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 4564992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6093360).

4564992 is an abundant number, since it is smaller than the sum of its proper divisors (7621728).

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

4564992 is an equidigital number, since it uses as much as digits as its factorization.

4564992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 748 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 4564992 is about 2136.5841897758. The cubic root of 4564992 is about 165.8873770362.

The spelling of 4564992 in words is "four million, five hundred sixty-four thousand, nine hundred ninety-two".