4747919 has 6 divisors (see below), whose sum is σ = 5218920. Its totient is φ = 4316180.

The previous prime is 4747903. The next prime is 4747927. The reversal of 4747919 is 9197474.

It is a happy number.

It is not a de Polignac number, because 4747919 - 2⁴ = 4747903 is a prime.

It is a super-2 number, since 2×4747919² = 45085469661122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4747949) 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 5 ways as a sum of consecutive naturals, for example, 19499 + ... + 19740.

It is an arithmetic number, because the mean of its divisors is an integer number (869820).

Almost surely, 2^4747919 is an apocalyptic number.

4747919 is a deficient number, since it is larger than the sum of its proper divisors (471001).

4747919 is a wasteful number, since it uses less digits than its factorization.

4747919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39261 (or 39250 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 4747919 is about 2178.9720053273. The cubic root of 4747919 is about 168.0742184355.

The spelling of 4747919 in words is "four million, seven hundred forty-seven thousand, nine hundred nineteen".