340212930 has 32 divisors (see below), whose sum is σ = 819782208. Its totient is φ = 90360000.

The previous prime is 340212911. The next prime is 340212967. The reversal of 340212930 is 39212043.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 340212930.

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 15 ways as a sum of consecutive naturals, for example, 15061 + ... + 30120.

It is an arithmetic number, because the mean of its divisors is an integer number (25618194).

Almost surely, 2^340212930 is an apocalyptic number.

340212930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

340212930 is an abundant number, since it is smaller than the sum of its proper divisors (479569278).

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

340212930 is a wasteful number, since it uses less digits than its factorization.

340212930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45442.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 340212930 is about 18444.8618861731. The cubic root of 340212930 is about 698.0988754385.

Adding to 340212930 its reverse (39212043), we get a palindrome (379424973).

The spelling of 340212930 in words is "three hundred forty million, two hundred twelve thousand, nine hundred thirty".