4998643 has 8 divisors (see below), whose sum is σ = 5569200. Its totient is φ = 4454688.

The previous prime is 4998641. The next prime is 4998647. The reversal of 4998643 is 3468994.

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

It is a cyclic number.

It is not a de Polignac number, because 4998643 - 2¹ = 4998641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4998643.

It is not an unprimeable number, because it can be changed into a prime (4998641) 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, 6253 + ... + 7006.

It is an arithmetic number, because the mean of its divisors is an integer number (696150).

Almost surely, 2^4998643 is an apocalyptic number.

4998643 is a deficient number, since it is larger than the sum of its proper divisors (570557).

4998643 is a wasteful number, since it uses less digits than its factorization.

4998643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13301.

The product of its digits is 186624, while the sum is 43.

The square root of 4998643 is about 2235.7645224844. The cubic root of 4998643 is about 170.9821236856.

The spelling of 4998643 in words is "four million, nine hundred ninety-eight thousand, six hundred forty-three".