4990838 has 16 divisors (see below), whose sum is σ = 7736256. Its totient is φ = 2413320.

The previous prime is 4990831. The next prime is 4990849. The reversal of 4990838 is 8380994.

It is a junction number, because it is equal to n+sod(n) for n = 4990795 and 4990804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11045 + ... + 11487.

It is an arithmetic number, because the mean of its divisors is an integer number (483516).

Almost surely, 2^4990838 is an apocalyptic number.

4990838 is a deficient number, since it is larger than the sum of its proper divisors (2745418).

4990838 is a wasteful number, since it uses less digits than its factorization.

4990838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 4990838 is about 2234.0183526551. The cubic root of 4990838 is about 170.8930854766.

The spelling of 4990838 in words is "four million, nine hundred ninety thousand, eight hundred thirty-eight".