343221360 has 40 divisors (see below), whose sum is σ = 1063986960. Its totient is φ = 91525632.

The previous prime is 343221323. The next prime is 343221379. The reversal of 343221360 is 63122343.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 343221360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714805 + ... + 715284.

It is an arithmetic number, because the mean of its divisors is an integer number (26599674).

Almost surely, 2^343221360 is an apocalyptic number.

343221360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343221360 is an abundant number, since it is smaller than the sum of its proper divisors (720765600).

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

343221360 is a wasteful number, since it uses less digits than its factorization.

343221360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430105 (or 1430099 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 343221360 is about 18526.2343718307. The cubic root of 343221360 is about 700.1505526515.

The spelling of 343221360 in words is "three hundred forty-three million, two hundred twenty-one thousand, three hundred sixty".