482387921 has 4 divisors (see below), whose sum is σ = 487808100. Its totient is φ = 476967744.

The previous prime is 482387911. The next prime is 482387929. The reversal of 482387921 is 129783284.

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

It can be written as a sum of positive squares in 2 ways, for example, as 98227921 + 384160000 = 9911^2 + 19600^2 .

It is a cyclic number.

It is not a de Polignac number, because 482387921 - 2¹⁴ = 482371537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (482387929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2709956 + ... + 2710133.

It is an arithmetic number, because the mean of its divisors is an integer number (121952025).

Almost surely, 2^482387921 is an apocalyptic number.

It is an amenable number.

482387921 is a deficient number, since it is larger than the sum of its proper divisors (5420179).

482387921 is an equidigital number, since it uses as much as digits as its factorization.

482387921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420178.

The product of its digits is 193536, while the sum is 44.

The square root of 482387921 is about 21963.3312819344. The cubic root of 482387921 is about 784.2697692219.

The spelling of 482387921 in words is "four hundred eighty-two million, three hundred eighty-seven thousand, nine hundred twenty-one".