4505998 has 16 divisors (see below), whose sum is σ = 7832160. Its totient is φ = 1904256.

The previous prime is 4505993. The next prime is 4506001. The reversal of 4505998 is 8995054.

It is a self number, because there is not a number n which added to its sum of digits gives 4505998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4505993) 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, 1183 + ... + 3226.

It is an arithmetic number, because the mean of its divisors is an integer number (489510).

Almost surely, 2^4505998 is an apocalyptic number.

4505998 is a deficient number, since it is larger than the sum of its proper divisors (3326162).

4505998 is a wasteful number, since it uses less digits than its factorization.

4505998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 4505998 is about 2122.7336149409. The cubic root of 4505998 is about 165.1696815813.

The spelling of 4505998 in words is "four million, five hundred five thousand, nine hundred ninety-eight".