4473139 has 4 divisors (see below), whose sum is σ = 4879800. Its totient is φ = 4066480.

The previous prime is 4473127. The next prime is 4473143. The reversal of 4473139 is 9313744.

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

It is not a de Polignac number, because 4473139 - 2⁵ = 4473107 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4473139.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4473149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203314 + ... + 203335.

It is an arithmetic number, because the mean of its divisors is an integer number (1219950).

Almost surely, 2^4473139 is an apocalyptic number.

4473139 is a deficient number, since it is larger than the sum of its proper divisors (406661).

4473139 is a wasteful number, since it uses less digits than its factorization.

4473139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406660.

The product of its digits is 9072, while the sum is 31.

The square root of 4473139 is about 2114.9796689330. The cubic root of 4473139 is about 164.7672138214.

The spelling of 4473139 in words is "four million, four hundred seventy-three thousand, one hundred thirty-nine".