343973980 has 48 divisors (see below), whose sum is σ = 837881856. Its totient is φ = 116170560.

The previous prime is 343973977. The next prime is 343973999. The reversal of 343973980 is 89379343.

It is a self number, because there is not a number n which added to its sum of digits gives 343973980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8956 + ... + 27715.

It is an arithmetic number, because the mean of its divisors is an integer number (17455872).

Almost surely, 2^343973980 is an apocalyptic number.

It is an amenable number.

343973980 is an abundant number, since it is smaller than the sum of its proper divisors (493907876).

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

343973980 is a wasteful number, since it uses less digits than its factorization.

343973980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36754 (or 36752 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 343973980 is about 18546.5355255368. The cubic root of 343973980 is about 700.6619452719.

The spelling of 343973980 in words is "three hundred forty-three million, nine hundred seventy-three thousand, nine hundred eighty".