340433433 has 6 divisors (see below), whose sum is σ = 491737194. Its totient is φ = 226955616.

The previous prime is 340433417. The next prime is 340433453. The reversal of 340433433 is 334334043.

It can be written as a sum of positive squares in only one way, i.e., 207446409 + 132987024 = 14403^2 + 11532^2 .

It is not a de Polignac number, because 340433433 - 2⁴ = 340433417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340433397 and 340433406.

It is not an unprimeable number, because it can be changed into a prime (340433453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18912960 + ... + 18912977.

It is an arithmetic number, because the mean of its divisors is an integer number (81956199).

Almost surely, 2^340433433 is an apocalyptic number.

It is an amenable number.

340433433 is a deficient number, since it is larger than the sum of its proper divisors (151303761).

340433433 is a wasteful number, since it uses less digits than its factorization.

340433433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37825943 (or 37825940 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 27.

The square root of 340433433 is about 18450.8382736395. The cubic root of 340433433 is about 698.2496630173.

Adding to 340433433 its reverse (334334043), we get a palindrome (674767476).

The spelling of 340433433 in words is "three hundred forty million, four hundred thirty-three thousand, four hundred thirty-three".