485999998 has 16 divisors (see below), whose sum is σ = 796024944. Its totient is φ = 220700160.

The previous prime is 485999971. The next prime is 485999999. The reversal of 485999998 is 899999584.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485999999) 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, 14686 + ... + 34462.

It is an arithmetic number, because the mean of its divisors is an integer number (49751559).

Almost surely, 2^485999998 is an apocalyptic number.

485999998 is a deficient number, since it is larger than the sum of its proper divisors (310024946).

485999998 is a wasteful number, since it uses less digits than its factorization.

485999998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20907.

The product of its digits is 75582720, while the sum is 70.

The square root of 485999998 is about 22045.4076396877. The cubic root of 485999998 is about 786.2224171842. Note that the first 3 decimals are identical.

The spelling of 485999998 in words is "four hundred eighty-five million, nine hundred ninety-nine thousand, nine hundred ninety-eight".