340430033 has 4 divisors (see below), whose sum is σ = 341004708. Its totient is φ = 339855360.

The previous prime is 340430029. The next prime is 340430053. The reversal of 340430033 is 330034043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330034043 = 37 ⋅8919839.

It can be written as a sum of positive squares in 2 ways, for example, as 238177489 + 102252544 = 15433^2 + 10112^2 .

It is a cyclic number.

It is not a de Polignac number, because 340430033 - 2² = 340430029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 340429987 and 340430014.

It is not an unprimeable number, because it can be changed into a prime (340430053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286448 + ... + 287633.

It is an arithmetic number, because the mean of its divisors is an integer number (85251177).

Almost surely, 2^340430033 is an apocalyptic number.

It is an amenable number.

340430033 is a deficient number, since it is larger than the sum of its proper divisors (574675).

340430033 is an equidigital number, since it uses as much as digits as its factorization.

340430033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574674.

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 340430033 is about 18450.7461366743. The cubic root of 340430033 is about 698.2473384740.

Adding to 340430033 its reverse (330034043), we get a palindrome (670464076).

The spelling of 340430033 in words is "three hundred forty million, four hundred thirty thousand, thirty-three".