480649 has 4 divisors (see below), whose sum is σ = 517636. Its totient is φ = 443664.

The previous prime is 480647. The next prime is 480661. The reversal of 480649 is 946084.

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 81225 + 399424 = 285^2 + 632^2 .

It is not a de Polignac number, because 480649 - 2¹ = 480647 is a prime.

It is a super-3 number, since 3×480649³ = 333123586808398347, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

480649 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 480649.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480647) 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, 18474 + ... + 18499.

It is an arithmetic number, because the mean of its divisors is an integer number (129409).

2⁴⁸⁰⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

480649 is a deficient number, since it is larger than the sum of its proper divisors (36987).

480649 is a wasteful number, since it uses less digits than its factorization.

480649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36986.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 480649 is about 693.2885402197. The cubic root of 480649 is about 78.3326251131.

The spelling of 480649 in words is "four hundred eighty thousand, six hundred forty-nine".