4505939 has 4 divisors (see below), whose sum is σ = 4519200. Its totient is φ = 4492680.

The previous prime is 4505929. The next prime is 4505947. The reversal of 4505939 is 9395054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9395054 = 2 ⋅4697527.

It is a cyclic number.

It is not a de Polignac number, because 4505939 - 2¹² = 4501843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4505899 and 4505908.

It is not an unprimeable number, because it can be changed into a prime (4505929) 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, 6107 + ... + 6804.

It is an arithmetic number, because the mean of its divisors is an integer number (1129800).

Almost surely, 2^4505939 is an apocalyptic number.

4505939 is a deficient number, since it is larger than the sum of its proper divisors (13261).

4505939 is a wasteful number, since it uses less digits than its factorization.

4505939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13260.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 4505939 is about 2122.7197177206. The cubic root of 4505939 is about 165.1689606864.

The spelling of 4505939 in words is "four million, five hundred five thousand, nine hundred thirty-nine".