4787939 has 12 divisors (see below), whose sum is σ = 5318712. Its totient is φ = 4305600.

The previous prime is 4787903. The next prime is 4787941. The reversal of 4787939 is 9397874.

It is not a de Polignac number, because 4787939 - 2⁸ = 4787683 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 7 + 8 + 7² + 9² + 3¹⁴ + 9³ .

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4787893 and 4787902.

It is not an unprimeable number, because it can be changed into a prime (4787969) 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 11 ways as a sum of consecutive naturals, for example, 6584 + ... + 7274.

It is an arithmetic number, because the mean of its divisors is an integer number (443226).

Almost surely, 2^4787939 is an apocalyptic number.

4787939 is a deficient number, since it is larger than the sum of its proper divisors (530773).

4787939 is a wasteful number, since it uses less digits than its factorization.

4787939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 745 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 4787939 is about 2188.1359646969. The cubic root of 4787939 is about 168.5451278717.

The spelling of 4787939 in words is "four million, seven hundred eighty-seven thousand, nine hundred thirty-nine".