4992438 has 32 divisors (see below), whose sum is σ = 11064960. Its totient is φ = 1488960.

The previous prime is 4992419. The next prime is 4992439. The reversal of 4992438 is 8342994.

4992438 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4992396 and 4992405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4992439) 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, 3858 + ... + 4986.

It is an arithmetic number, because the mean of its divisors is an integer number (345780).

Almost surely, 2^4992438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4992438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5532480).

4992438 is an abundant number, since it is smaller than the sum of its proper divisors (6072522).

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

4992438 is a wasteful number, since it uses less digits than its factorization.

4992438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

The product of its digits is 62208, while the sum is 39.

The square root of 4992438 is about 2234.3764230765. The cubic root of 4992438 is about 170.9113455846.

The spelling of 4992438 in words is "four million, nine hundred ninety-two thousand, four hundred thirty-eight".