345587 has 8 divisors (see below), whose sum is σ = 382320. Its totient is φ = 309760.

The previous prime is 345581. The next prime is 345599. The reversal of 345587 is 785543.

It is a happy number.

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

It is not a de Polignac number, because 345587 - 2⁴ = 345571 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345587.

It is not an unprimeable number, because it can be changed into a prime (345581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803 + ... + 1155.

It is an arithmetic number, because the mean of its divisors is an integer number (47790).

2³⁴⁵⁵⁸⁷ is an apocalyptic number.

345587 is a deficient number, since it is larger than the sum of its proper divisors (36733).

345587 is a wasteful number, since it uses less digits than its factorization.

345587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453.

The product of its digits is 16800, while the sum is 32.

The square root of 345587 is about 587.8664814395. The cubic root of 345587 is about 70.1755457933.

The spelling of 345587 in words is "three hundred forty-five thousand, five hundred eighty-seven".