485138998 has 16 divisors (see below), whose sum is σ = 742635216. Its totient is φ = 237608800.

The previous prime is 485138993. The next prime is 485139037. The reversal of 485138998 is 899831584.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485138993) 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, 69048 + ... + 75748.

It is an arithmetic number, because the mean of its divisors is an integer number (46414701).

Almost surely, 2^485138998 is an apocalyptic number.

485138998 is a deficient number, since it is larger than the sum of its proper divisors (257496218).

485138998 is a wasteful number, since it uses less digits than its factorization.

485138998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439.

The product of its digits is 2488320, while the sum is 55.

The square root of 485138998 is about 22025.8711064966. The cubic root of 485138998 is about 785.7578508926.

The spelling of 485138998 in words is "four hundred eighty-five million, one hundred thirty-eight thousand, nine hundred ninety-eight".