4990844 has 24 divisors (see below), whose sum is σ = 9302160. Its totient is φ = 2336256.

The previous prime is 4990831. The next prime is 4990849. The reversal of 4990844 is 4480994.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 4990798 and 4990807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990849) 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, 7034 + ... + 7710.

It is an arithmetic number, because the mean of its divisors is an integer number (387590).

Almost surely, 2^4990844 is an apocalyptic number.

It is an amenable number.

4990844 is a deficient number, since it is larger than the sum of its proper divisors (4311316).

4990844 is a wasteful number, since it uses less digits than its factorization.

4990844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 4990844 is about 2234.0196955264. The cubic root of 4990844 is about 170.8931539593.

The spelling of 4990844 in words is "four million, nine hundred ninety thousand, eight hundred forty-four".