4992838 has 8 divisors (see below), whose sum is σ = 7502688. Its totient is φ = 2491944.

The previous prime is 4992833. The next prime is 4992913. The reversal of 4992838 is 8382994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4992794 and 4992803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4992833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606 + ... + 3217.

It is an arithmetic number, because the mean of its divisors is an integer number (937836).

Almost surely, 2^4992838 is an apocalyptic number.

4992838 is a deficient number, since it is larger than the sum of its proper divisors (2509850).

4992838 is a wasteful number, since it uses less digits than its factorization.

4992838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478.

The product of its digits is 124416, while the sum is 43.

The square root of 4992838 is about 2234.4659317161. The cubic root of 4992838 is about 170.9159100020.

The spelling of 4992838 in words is "four million, nine hundred ninety-two thousand, eight hundred thirty-eight".