481686399 has 16 divisors (see below), whose sum is σ = 715568640. Its totient is φ = 320242680.

The previous prime is 481686397. The next prime is 481686407. The reversal of 481686399 is 993686184.

It is not a de Polignac number, because 481686399 - 2¹ = 481686397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481686391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14397 + ... + 34214.

It is an arithmetic number, because the mean of its divisors is an integer number (44723040).

Almost surely, 2^481686399 is an apocalyptic number.

481686399 is a deficient number, since it is larger than the sum of its proper divisors (233882241).

481686399 is a wasteful number, since it uses less digits than its factorization.

481686399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48987 (or 48981 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 481686399 is about 21947.3551709540. The cubic root of 481686399 is about 783.8894049319.

The spelling of 481686399 in words is "four hundred eighty-one million, six hundred eighty-six thousand, three hundred ninety-nine".