485099638 has 4 divisors (see below), whose sum is σ = 727649460. Its totient is φ = 242549818.

The previous prime is 485099609. The next prime is 485099651. The reversal of 485099638 is 836990584.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121274908 + ... + 121274911.

It is an arithmetic number, because the mean of its divisors is an integer number (181912365).

Almost surely, 2^485099638 is an apocalyptic number.

485099638 is a deficient number, since it is larger than the sum of its proper divisors (242549822).

485099638 is a wasteful number, since it uses less digits than its factorization.

485099638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242549821.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 485099638 is about 22024.9775936322. The cubic root of 485099638 is about 785.7366004430.

The spelling of 485099638 in words is "four hundred eighty-five million, ninety-nine thousand, six hundred thirty-eight".