343540252 has 24 divisors (see below), whose sum is σ = 656394480. Its totient is φ = 156024960.

The previous prime is 343540243. The next prime is 343540279. The reversal of 343540252 is 252045343.

It is a self number, because there is not a number n which added to its sum of digits gives 343540252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67824 + ... + 72712.

It is an arithmetic number, because the mean of its divisors is an integer number (27349770).

Almost surely, 2^343540252 is an apocalyptic number.

It is an amenable number.

343540252 is a deficient number, since it is larger than the sum of its proper divisors (312854228).

343540252 is a wasteful number, since it uses less digits than its factorization.

343540252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6501 (or 6499 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 343540252 is about 18534.8388717032. The cubic root of 343540252 is about 700.3673255792.

Adding to 343540252 its reverse (252045343), we get a palindrome (595585595).

The spelling of 343540252 in words is "three hundred forty-three million, five hundred forty thousand, two hundred fifty-two".