485503990 has 16 divisors (see below), whose sum is σ = 874748448. Its totient is φ = 194014656.

The previous prime is 485503981. The next prime is 485503999. The reversal of 485503990 is 99305584.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (485503981) and next prime (485503999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485503999) 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 7 ways as a sum of consecutive naturals, for example, 12207 + ... + 33466.

It is an arithmetic number, because the mean of its divisors is an integer number (54671778).

Almost surely, 2^485503990 is an apocalyptic number.

485503990 is a deficient number, since it is larger than the sum of its proper divisors (389244458).

485503990 is a wasteful number, since it uses less digits than its factorization.

485503990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46743.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 485503990 is about 22034.1550779693. The cubic root of 485503990 is about 785.9548552135.

The spelling of 485503990 in words is "four hundred eighty-five million, five hundred three thousand, nine hundred ninety".