4991792 has 40 divisors (see below), whose sum is σ = 10561824. Its totient is φ = 2271744.

The previous prime is 4991771. The next prime is 4991801. The reversal of 4991792 is 2971994.

4991792 = 14² + 15² + ... + 246².

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21308 + ... + 21540.

Almost surely, 2^4991792 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 4991792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5280912).

4991792 is an abundant number, since it is smaller than the sum of its proper divisors (5570032).

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

4991792 is a wasteful number, since it uses less digits than its factorization.

4991792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 351 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 4991792 is about 2234.2318590513. The cubic root of 4991792 is about 170.9039735357.

The spelling of 4991792 in words is "four million, nine hundred ninety-one thousand, seven hundred ninety-two".