343322740 has 24 divisors (see below), whose sum is σ = 731741472. Its totient is φ = 135278880.

The previous prime is 343322717. The next prime is 343322743. The reversal of 343322740 is 47223343.

343322740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×343322740² = 235741007602215200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343322699 and 343322708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343322743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126766 + ... + 129445.

It is an arithmetic number, because the mean of its divisors is an integer number (30489228).

Almost surely, 2^343322740 is an apocalyptic number.

It is an amenable number.

343322740 is an abundant number, since it is smaller than the sum of its proper divisors (388418732).

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

343322740 is a wasteful number, since it uses less digits than its factorization.

343322740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256287 (or 256285 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 343322740 is about 18528.9702897921. The cubic root of 343322740 is about 700.2194821955.

The spelling of 343322740 in words is "three hundred forty-three million, three hundred twenty-two thousand, seven hundred forty".