340980 has 24 divisors (see below), whose sum is σ = 954912. Its totient is φ = 90912.

The previous prime is 340979. The next prime is 340999. The reversal of 340980 is 89043.

It is a self number, because there is not a number n which added to its sum of digits gives 340980.

It is a congruent number.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 2782 + ... + 2901.

It is an arithmetic number, because the mean of its divisors is an integer number (39788).

2³⁴⁰⁹⁸⁰ is an apocalyptic number.

340980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340980 is an abundant number, since it is smaller than the sum of its proper divisors (613932).

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

340980 is a wasteful number, since it uses less digits than its factorization.

340980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695 (or 5693 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 340980 is about 583.9349278815. The cubic root of 340980 is about 69.8623143926.

The spelling of 340980 in words is "three hundred forty thousand, nine hundred eighty".