340403530 has 32 divisors (see below), whose sum is σ = 618482304. Its totient is φ = 134890176.

The previous prime is 340403521. The next prime is 340403533. The reversal of 340403530 is 35304043.

It is not an unprimeable number, because it can be changed into a prime (340403533) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 912424 + ... + 912796.

It is an arithmetic number, because the mean of its divisors is an integer number (19327572).

Almost surely, 2^340403530 is an apocalyptic number.

340403530 is a deficient number, since it is larger than the sum of its proper divisors (278078774).

340403530 is a wasteful number, since it uses less digits than its factorization.

340403530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 340403530 is about 18450.0279132580. The cubic root of 340403530 is about 698.2292181285.

Adding to 340403530 its reverse (35304043), we get a palindrome (375707573).

The spelling of 340403530 in words is "three hundred forty million, four hundred three thousand, five hundred thirty".