485005638 has 16 divisors (see below), whose sum is σ = 1044627696. Its totient is φ = 149232480.

The previous prime is 485005627. The next prime is 485005639. The reversal of 485005638 is 836500584.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 485005596 and 485005605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485005639) 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, 3108933 + ... + 3109088.

It is an arithmetic number, because the mean of its divisors is an integer number (65289231).

Almost surely, 2^485005638 is an apocalyptic number.

485005638 is an abundant number, since it is smaller than the sum of its proper divisors (559622058).

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

485005638 is a wasteful number, since it uses less digits than its factorization.

485005638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218039.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 485005638 is about 22022.8435493694. The cubic root of 485005638 is about 785.6858452264.

The spelling of 485005638 in words is "four hundred eighty-five million, five thousand, six hundred thirty-eight".