343887 has 8 divisors (see below), whose sum is σ = 464640. Its totient is φ = 226200.

The previous prime is 343831. The next prime is 343891. The reversal of 343887 is 788343.

343887 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 343887 - 2⁶ = 343823 is a prime.

343887 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343817) 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, 489 + ... + 962.

It is an arithmetic number, because the mean of its divisors is an integer number (58080).

2³⁴³⁸⁸⁷ is an apocalyptic number.

343887 is a deficient number, since it is larger than the sum of its proper divisors (120753).

343887 is a wasteful number, since it uses less digits than its factorization.

343887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533.

The product of its digits is 16128, while the sum is 33.

The square root of 343887 is about 586.4187923319. The cubic root of 343887 is about 70.0602881973.

The spelling of 343887 in words is "three hundred forty-three thousand, eight hundred eighty-seven".