485381838 has 16 divisors (see below), whose sum is σ = 970981200. Its totient is φ = 161757696.

The previous prime is 485381783. The next prime is 485381843. The reversal of 485381838 is 838183584.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42606 + ... + 52782.

It is an arithmetic number, because the mean of its divisors is an integer number (60686325).

Almost surely, 2^485381838 is an apocalyptic number.

485381838 is an abundant number, since it is smaller than the sum of its proper divisors (485599362).

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

485381838 is a wasteful number, since it uses less digits than its factorization.

485381838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18131.

The product of its digits is 737280, while the sum is 48.

The square root of 485381838 is about 22031.3830251303. The cubic root of 485381838 is about 785.8889347046. Note that the first 3 decimals are identical.

The spelling of 485381838 in words is "four hundred eighty-five million, three hundred eighty-one thousand, eight hundred thirty-eight".