485657439 has 16 divisors (see below), whose sum is σ = 682659840. Its totient is φ = 306658080.

The previous prime is 485657401. The next prime is 485657441. The reversal of 485657439 is 934756584.

It is not a de Polignac number, because 485657439 - 2²⁵ = 452103007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 485657391 and 485657400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485650439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51184 + ... + 59925.

It is an arithmetic number, because the mean of its divisors is an integer number (42666240).

Almost surely, 2^485657439 is an apocalyptic number.

485657439 is a deficient number, since it is larger than the sum of its proper divisors (197002401).

485657439 is a wasteful number, since it uses less digits than its factorization.

485657439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111190.

The product of its digits is 3628800, while the sum is 51.

The square root of 485657439 is about 22037.6368742204. The cubic root of 485657439 is about 786.0376497838.

The spelling of 485657439 in words is "four hundred eighty-five million, six hundred fifty-seven thousand, four hundred thirty-nine".