4998555 has 24 divisors (see below), whose sum is σ = 8749728. Its totient is φ = 2639616.

The previous prime is 4998547. The next prime is 4998557. The reversal of 4998555 is 5558994.

4998555 is a `hidden beast` number, since 4 + 9 + 98 + 555 = 666.

It is not a de Polignac number, because 4998555 - 2³ = 4998547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4998555.

It is not an unprimeable number, because it can be changed into a prime (4998557) 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 23 ways as a sum of consecutive naturals, for example, 4594 + ... + 5576.

It is an arithmetic number, because the mean of its divisors is an integer number (364572).

Almost surely, 2^4998555 is an apocalyptic number.

4998555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4998555 is a deficient number, since it is larger than the sum of its proper divisors (3751173).

4998555 is a wasteful number, since it uses less digits than its factorization.

4998555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1104 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 4998555 is about 2235.7448423288. The cubic root of 4998555 is about 170.9811203123.

The spelling of 4998555 in words is "four million, nine hundred ninety-eight thousand, five hundred fifty-five".