485912438 has 16 divisors (see below), whose sum is σ = 796185936. Its totient is φ = 220575840.

The previous prime is 485912431. The next prime is 485912459. The reversal of 485912438 is 834219584.

It is a happy number.

It is a super-2 number, since 2×485912438² = 472221794806207688, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485912431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2720 + ... + 31292.

It is an arithmetic number, because the mean of its divisors is an integer number (49761621).

Almost surely, 2^485912438 is an apocalyptic number.

485912438 is a deficient number, since it is larger than the sum of its proper divisors (310273498).

485912438 is a wasteful number, since it uses less digits than its factorization.

485912438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29359.

The product of its digits is 276480, while the sum is 44.

The square root of 485912438 is about 22043.4216490998. The cubic root of 485912438 is about 786.1751978633.

The spelling of 485912438 in words is "four hundred eighty-five million, nine hundred twelve thousand, four hundred thirty-eight".