4744139 has 8 divisors (see below), whose sum is σ = 5196960. Its totient is φ = 4310656.

The previous prime is 4744127. The next prime is 4744163. The reversal of 4744139 is 9314474.

It is a happy number.

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

It is not a de Polignac number, because 4744139 - 2⁸ = 4743883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4744109) 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, 4319 + ... + 5304.

It is an arithmetic number, because the mean of its divisors is an integer number (649620).

Almost surely, 2^4744139 is an apocalyptic number.

4744139 is a deficient number, since it is larger than the sum of its proper divisors (452821).

4744139 is a wasteful number, since it uses less digits than its factorization.

4744139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9669.

The product of its digits is 12096, while the sum is 32.

The square root of 4744139 is about 2178.1044511226. The cubic root of 4744139 is about 168.0296031545.

The spelling of 4744139 in words is "four million, seven hundred forty-four thousand, one hundred thirty-nine".