485297838 has 32 divisors (see below), whose sum is σ = 1125331200. Its totient is φ = 154732248.

The previous prime is 485297837. The next prime is 485297849. The reversal of 485297838 is 838792584.

It is a happy number.

485297838 is a `hidden beast` number, since 48 + 529 + 78 + 3 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485297831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194128 + ... + 196611.

It is an arithmetic number, because the mean of its divisors is an integer number (35166600).

Almost surely, 2^485297838 is an apocalyptic number.

485297838 is an abundant number, since it is smaller than the sum of its proper divisors (640033362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

485297838 is a wasteful number, since it uses less digits than its factorization.

485297838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390773 (or 390767 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 485297838 is about 22029.4765711762. The cubic root of 485297838 is about 785.8435968737.

The spelling of 485297838 in words is "four hundred eighty-five million, two hundred ninety-seven thousand, eight hundred thirty-eight".