481604399 has 4 divisors (see below), whose sum is σ = 484126080. Its totient is φ = 479082720.

The previous prime is 481604377. The next prime is 481604411. The reversal of 481604399 is 993406184.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481604399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481604309) 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 3 ways as a sum of consecutive naturals, for example, 1260554 + ... + 1260935.

It is an arithmetic number, because the mean of its divisors is an integer number (121031520).

Almost surely, 2^481604399 is an apocalyptic number.

481604399 is a deficient number, since it is larger than the sum of its proper divisors (2521681).

481604399 is a wasteful number, since it uses less digits than its factorization.

481604399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521680.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 481604399 is about 21945.4869847994. The cubic root of 481604399 is about 783.8449205404.

The spelling of 481604399 in words is "four hundred eighty-one million, six hundred four thousand, three hundred ninety-nine".