343722340 has 36 divisors (see below), whose sum is σ = 781620084. Its totient is φ = 126911616.

The previous prime is 343722329. The next prime is 343722347. The reversal of 343722340 is 43227343.

It can be written as a sum of positive squares in 6 ways, for example, as 105513984 + 238208356 = 10272^2 + 15434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343722299 and 343722308.

It is not an unprimeable number, because it can be changed into a prime (343722347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47467 + ... + 54226.

It is an arithmetic number, because the mean of its divisors is an integer number (21711669).

Almost surely, 2^343722340 is an apocalyptic number.

It is an amenable number.

343722340 is an abundant number, since it is smaller than the sum of its proper divisors (437897744).

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

343722340 is a wasteful number, since it uses less digits than its factorization.

343722340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101728 (or 101713 counting only the distinct ones).

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

The square root of 343722340 is about 18539.7502680052. The cubic root of 343722340 is about 700.4910432125.

Adding to 343722340 its reverse (43227343), we get a palindrome (386949683).

The spelling of 343722340 in words is "three hundred forty-three million, seven hundred twenty-two thousand, three hundred forty".