340043252 has 12 divisors (see below), whose sum is σ = 598364676. Its totient is φ = 169081920.

The previous prime is 340043243. The next prime is 340043287. The reversal of 340043252 is 252340043.

It can be written as a sum of positive squares in 2 ways, for example, as 86787856 + 253255396 = 9316^2 + 15914^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234113 + ... + 235560.

It is an arithmetic number, because the mean of its divisors is an integer number (49863723).

Almost surely, 2^340043252 is an apocalyptic number.

It is an amenable number.

340043252 is a deficient number, since it is larger than the sum of its proper divisors (258321424).

340043252 is a wasteful number, since it uses less digits than its factorization.

340043252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469858 (or 469856 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 340043252 is about 18440.2617118088. The cubic root of 340043252 is about 697.9827993889.

Adding to 340043252 its reverse (252340043), we get a palindrome (592383295).

The spelling of 340043252 in words is "three hundred forty million, forty-three thousand, two hundred fifty-two".