4555939 has 4 divisors (see below), whose sum is σ = 4560760. Its totient is φ = 4551120.

The previous prime is 4555937. The next prime is 4555997. The reversal of 4555939 is 9395554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4555939 - 2¹ = 4555937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4555937) 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, 474 + ... + 3055.

It is an arithmetic number, because the mean of its divisors is an integer number (1140190).

Almost surely, 2^4555939 is an apocalyptic number.

4555939 is a deficient number, since it is larger than the sum of its proper divisors (4821).

4555939 is a wasteful number, since it uses less digits than its factorization.

4555939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820.

The product of its digits is 121500, while the sum is 40.

The square root of 4555939 is about 2134.4645698629. The cubic root of 4555939 is about 165.7776453899. Note that the first 3 decimals are identical.

The spelling of 4555939 in words is "four million, five hundred fifty-five thousand, nine hundred thirty-nine".