4938909 has 4 divisors (see below), whose sum is σ = 6585216. Its totient is φ = 3292604.

The previous prime is 4938907. The next prime is 4938929. The reversal of 4938909 is 9098394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4938909 - 2¹ = 4938907 is a prime.

It is a super-2 number, since 2×4938909² = 48785644220562, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4938907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823149 + ... + 823154.

It is an arithmetic number, because the mean of its divisors is an integer number (1646304).

Almost surely, 2^4938909 is an apocalyptic number.

It is an amenable number.

4938909 is a deficient number, since it is larger than the sum of its proper divisors (1646307).

4938909 is a wasteful number, since it uses less digits than its factorization.

4938909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646306.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 4938909 is about 2222.3656314837. The cubic root of 4938909 is about 170.2983112889.

The spelling of 4938909 in words is "four million, nine hundred thirty-eight thousand, nine hundred nine".