4445899 has 4 divisors (see below), whose sum is σ = 4549336. Its totient is φ = 4342464.

The previous prime is 4445879. The next prime is 4445921. The reversal of 4445899 is 9985444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4445899 - 2⁹ = 4445387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 103393 = 4445899 / (4 + 4 + 4 + 5 + 8 + 9 + 9).

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (4445839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51654 + ... + 51739.

It is an arithmetic number, because the mean of its divisors is an integer number (1137334).

Almost surely, 2^4445899 is an apocalyptic number.

4445899 is a deficient number, since it is larger than the sum of its proper divisors (103437).

4445899 is a wasteful number, since it uses less digits than its factorization.

4445899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103436.

The product of its digits is 207360, while the sum is 43.

The square root of 4445899 is about 2108.5300566983. The cubic root of 4445899 is about 164.4320725447.

The spelling of 4445899 in words is "four million, four hundred forty-five thousand, eight hundred ninety-nine".