4998644 has 24 divisors (see below), whose sum is σ = 10066560. Its totient is φ = 2127456.

The previous prime is 4998641. The next prime is 4998647. The reversal of 4998644 is 4468994.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4998641) and next prime (4998647).

It is a junction number, because it is equal to n+sod(n) for n = 4998595 and 4998604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4998641) 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 7 ways as a sum of consecutive naturals, for example, 4142 + ... + 5210.

It is an arithmetic number, because the mean of its divisors is an integer number (419440).

Almost surely, 2^4998644 is an apocalyptic number.

It is an amenable number.

4998644 is an abundant number, since it is smaller than the sum of its proper divisors (5067916).

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

4998644 is a wasteful number, since it uses less digits than its factorization.

4998644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1245 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 4998644 is about 2235.7647461216. The cubic root of 4998644 is about 170.9821350875.

The spelling of 4998644 in words is "four million, nine hundred ninety-eight thousand, six hundred forty-four".