4909039 has 4 divisors (see below), whose sum is σ = 5197824. Its totient is φ = 4620256.

The previous prime is 4909027. The next prime is 4909057. The reversal of 4909039 is 9309094.

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 4909039 - 2⁵ = 4909007 is a prime.

It is a Duffinian number.

4909039 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4908995 and 4909013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909739) 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, 144367 + ... + 144400.

It is an arithmetic number, because the mean of its divisors is an integer number (1299456).

Almost surely, 2^4909039 is an apocalyptic number.

4909039 is a deficient number, since it is larger than the sum of its proper divisors (288785).

4909039 is a wasteful number, since it uses less digits than its factorization.

4909039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288784.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 4909039 is about 2215.6351233901. The cubic root of 4909039 is about 169.9543014421.

The spelling of 4909039 in words is "four million, nine hundred nine thousand, thirty-nine".