338821485 has 32 divisors (see below), whose sum is σ = 550123392. Its totient is φ = 178053120.

The previous prime is 338821481. The next prime is 338821493. The reversal of 338821485 is 584128833.

It is not a de Polignac number, because 338821485 - 2² = 338821481 is a prime.

It is a super-2 number, since 2×338821485² = 229599997395210450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338821481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489990 + ... + 490680.

It is an arithmetic number, because the mean of its divisors is an integer number (17191356).

Almost surely, 2^338821485 is an apocalyptic number.

It is an amenable number.

338821485 is a deficient number, since it is larger than the sum of its proper divisors (211301907).

338821485 is a wasteful number, since it uses less digits than its factorization.

338821485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133.

The product of its digits is 184320, while the sum is 42.

The square root of 338821485 is about 18407.1041991944. The cubic root of 338821485 is about 697.1458512268.

The spelling of 338821485 in words is "three hundred thirty-eight million, eight hundred twenty-one thousand, four hundred eighty-five".