487345 has 8 divisors (see below), whose sum is σ = 605160. Its totient is φ = 376320.

The previous prime is 487313. The next prime is 487349. The reversal of 487345 is 543784.

487345 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 4 ways, for example, as 97969 + 389376 = 313^2 + 624^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 487345 - 2⁵ = 487313 is a prime.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (487349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536 + ... + 1825.

It is an arithmetic number, because the mean of its divisors is an integer number (75645).

2⁴⁸⁷³⁴⁵ is an apocalyptic number.

It is an amenable number.

487345 is a deficient number, since it is larger than the sum of its proper divisors (117815).

487345 is a wasteful number, since it uses less digits than its factorization.

487345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395.

The product of its digits is 13440, while the sum is 31.

The square root of 487345 is about 698.1009955587. The cubic root of 487345 is about 78.6947037699.

The spelling of 487345 in words is "four hundred eighty-seven thousand, three hundred forty-five".