340434252 has 42 divisors (see below), whose sum is σ = 893238948. Its totient is φ = 113477112.

The previous prime is 340434239. The next prime is 340434257. The reversal of 340434252 is 252434043.

340434252 is a `hidden beast` number, since 3 + 404 + 3 + 4 + 252 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (340434257) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 55458 + ... + 61289.

It is an arithmetic number, because the mean of its divisors is an integer number (21267594).

Almost surely, 2^340434252 is an apocalyptic number.

It is an amenable number.

340434252 is an abundant number, since it is smaller than the sum of its proper divisors (552804696).

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

340434252 is a wasteful number, since it uses less digits than its factorization.

340434252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116769 (or 116752 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 340434252 is about 18450.8604677397. The cubic root of 340434252 is about 698.2502229564.

Adding to 340434252 its reverse (252434043), we get a palindrome (592868295).

The spelling of 340434252 in words is "three hundred forty million, four hundred thirty-four thousand, two hundred fifty-two".