480893821 has 4 divisors (see below), whose sum is σ = 501802272. Its totient is φ = 459985372.

The previous prime is 480893741. The next prime is 480893839. The reversal of 480893821 is 128398084.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-480893821 is a prime.

It is a super-3 number, since 3×480893821³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480893321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10454191 + ... + 10454236.

It is an arithmetic number, because the mean of its divisors is an integer number (125450568).

Almost surely, 2^480893821 is an apocalyptic number.

It is an amenable number.

480893821 is a deficient number, since it is larger than the sum of its proper divisors (20908451).

480893821 is a wasteful number, since it uses less digits than its factorization.

480893821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20908450.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 480893821 is about 21929.2913930204. The cubic root of 480893821 is about 783.4592256191.

The spelling of 480893821 in words is "four hundred eighty million, eight hundred ninety-three thousand, eight hundred twenty-one".