340204433 has 8 divisors (see below), whose sum is σ = 348638400. Its totient is φ = 331794288.

The previous prime is 340204421. The next prime is 340204441. The reversal of 340204433 is 334402043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340204433 - 2¹⁴ = 340188049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340204399 and 340204408.

It is not an unprimeable number, because it can be changed into a prime (340204453) 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 7 ways as a sum of consecutive naturals, for example, 24908 + ... + 36066.

It is an arithmetic number, because the mean of its divisors is an integer number (43579800).

Almost surely, 2^340204433 is an apocalyptic number.

It is an amenable number.

340204433 is a deficient number, since it is larger than the sum of its proper divisors (8433967).

340204433 is a wasteful number, since it uses less digits than its factorization.

340204433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11911.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 340204433 is about 18444.6315495865. The cubic root of 340204433 is about 698.0930635924.

Adding to 340204433 its reverse (334402043), we get a palindrome (674606476).

The spelling of 340204433 in words is "three hundred forty million, two hundred four thousand, four hundred thirty-three".