485984739 has 4 divisors (see below), whose sum is σ = 647979656. Its totient is φ = 323989824.

The previous prime is 485984713. The next prime is 485984749. The reversal of 485984739 is 937489584.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 485984739 - 2⁸ = 485984483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485984749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80997454 + ... + 80997459.

It is an arithmetic number, because the mean of its divisors is an integer number (161994914).

Almost surely, 2^485984739 is an apocalyptic number.

485984739 is a deficient number, since it is larger than the sum of its proper divisors (161994917).

485984739 is a wasteful number, since it uses less digits than its factorization.

485984739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161994916.

The product of its digits is 8709120, while the sum is 57.

The square root of 485984739 is about 22045.0615558224. The cubic root of 485984739 is about 786.2141887250.

It can be divided in two parts, 4859 and 84739, that added together give a palindrome (89598).

The spelling of 485984739 in words is "four hundred eighty-five million, nine hundred eighty-four thousand, seven hundred thirty-nine".