343450320 has 80 divisors (see below), whose sum is σ = 1127338560. Its totient is φ = 86198272.

The previous prime is 343450309. The next prime is 343450339. The reversal of 343450320 is 23054343.

It is a tau number, because it is divible by the number of its divisors (80).

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

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, 38010 + ... + 46169.

It is an arithmetic number, because the mean of its divisors is an integer number (14091732).

Almost surely, 2^343450320 is an apocalyptic number.

343450320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343450320 is an abundant number, since it is smaller than the sum of its proper divisors (783888240).

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

343450320 is a wasteful number, since it uses less digits than its factorization.

343450320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84212 (or 84206 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 343450320 is about 18532.4126869655. The cubic root of 343450320 is about 700.3062061705.

The spelling of 343450320 in words is "three hundred forty-three million, four hundred fifty thousand, three hundred twenty".