340983 has 16 divisors (see below), whose sum is σ = 515040. Its totient is φ = 222912.

The previous prime is 340979. The next prime is 340999. The reversal of 340983 is 389043.

It is not a de Polignac number, because 340983 - 2² = 340979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340903) 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 15 ways as a sum of consecutive naturals, for example, 1885 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (32190).

2³⁴⁰⁹⁸³ is an apocalyptic number.

340983 is a deficient number, since it is larger than the sum of its proper divisors (174057).

340983 is a wasteful number, since it uses less digits than its factorization.

340983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 340983 is about 583.9374966552. The cubic root of 340983 is about 69.8625192789.

The spelling of 340983 in words is "three hundred forty thousand, nine hundred eighty-three".