340984 has 16 divisors (see below), whose sum is σ = 730800. Its totient is φ = 146112.

The previous prime is 340979. The next prime is 340999. The reversal of 340984 is 489043.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

340984 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 2989 + ... + 3100.

It is an arithmetic number, because the mean of its divisors is an integer number (45675).

2³⁴⁰⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

340984 is an abundant number, since it is smaller than the sum of its proper divisors (389816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340984 is a wasteful number, since it uses less digits than its factorization.

340984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6102 (or 6098 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 340984 is about 583.9383529106. The cubic root of 340984 is about 69.8625875740.

The spelling of 340984 in words is "three hundred forty thousand, nine hundred eighty-four".