4939919 has 8 divisors (see below), whose sum is σ = 5042688. Its totient is φ = 4838400.

The previous prime is 4939903. The next prime is 4939933. The reversal of 4939919 is 9199394.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4939919 - 2⁴ = 4939903 is a prime.

It is a super-2 number, since 2×4939919² = 48805599453122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4939919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4939939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12119 + ... + 12519.

It is an arithmetic number, because the mean of its divisors is an integer number (630336).

Almost surely, 2^4939919 is an apocalyptic number.

4939919 is a deficient number, since it is larger than the sum of its proper divisors (102769).

4939919 is a wasteful number, since it uses less digits than its factorization.

4939919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625.

The product of its digits is 78732, while the sum is 44.

The square root of 4939919 is about 2222.5928552031. The cubic root of 4939919 is about 170.3099190867.

The spelling of 4939919 in words is "four million, nine hundred thirty-nine thousand, nine hundred nineteen".