4784139 has 6 divisors (see below), whose sum is σ = 6910436. Its totient is φ = 3189420.

The previous prime is 4784107. The next prime is 4784141. The reversal of 4784139 is 9314874.

It is a happy number.

It is not a de Polignac number, because 4784139 - 2⁵ = 4784107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4784149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265777 + ... + 265794.

Almost surely, 2^4784139 is an apocalyptic number.

4784139 is a deficient number, since it is larger than the sum of its proper divisors (2126297).

4784139 is a wasteful number, since it uses less digits than its factorization.

4784139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531577 (or 531574 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 4784139 is about 2187.2674733557. The cubic root of 4784139 is about 168.5005268440.

The spelling of 4784139 in words is "four million, seven hundred eighty-four thousand, one hundred thirty-nine".