4998567 has 32 divisors (see below), whose sum is σ = 8110080. Its totient is φ = 2676960.

The previous prime is 4998563. The next prime is 4998569. The reversal of 4998567 is 7658994.

It is not a de Polignac number, because 4998567 - 2² = 4998563 is a prime.

It is an Ulam number.

Its product of digits (544320) is a multiple of the sum of its prime divisors (243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4998563) 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 31 ways as a sum of consecutive naturals, for example, 38092 + ... + 38222.

It is an arithmetic number, because the mean of its divisors is an integer number (253440).

Almost surely, 2^4998567 is an apocalyptic number.

4998567 is a deficient number, since it is larger than the sum of its proper divisors (3111513).

4998567 is a wasteful number, since it uses less digits than its factorization.

4998567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243.

The product of its digits is 544320, while the sum is 48.

The square root of 4998567 is about 2235.7475259966. The cubic root of 4998567 is about 170.9812571366.

It can be divided in two parts, 4998 and 567, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 4998567 in words is "four million, nine hundred ninety-eight thousand, five hundred sixty-seven".