4473239 has 4 divisors (see below), whose sum is σ = 4489440. Its totient is φ = 4457040.

The previous prime is 4473211. The next prime is 4473241. The reversal of 4473239 is 9323744.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4473239 is a prime.

It is a super-2 number, since 2×4473239² = 40019734302242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4473289) 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, 7679 + ... + 8240.

It is an arithmetic number, because the mean of its divisors is an integer number (1122360).

Almost surely, 2^4473239 is an apocalyptic number.

4473239 is a deficient number, since it is larger than the sum of its proper divisors (16201).

4473239 is a wasteful number, since it uses less digits than its factorization.

4473239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16200.

The product of its digits is 18144, while the sum is 32.

The square root of 4473239 is about 2115.0033096901. The cubic root of 4473239 is about 164.7684416391.

The spelling of 4473239 in words is "four million, four hundred seventy-three thousand, two hundred thirty-nine".