343402033 has 4 divisors (see below), whose sum is σ = 369817588. Its totient is φ = 316986480.

The previous prime is 343402009. The next prime is 343402061. The reversal of 343402033 is 330204343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 216884529 + 126517504 = 14727^2 + 11248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343402033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343401995 and 343402013.

It is not an unprimeable number, because it can be changed into a prime (343402093) 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, 13207758 + ... + 13207783.

It is an arithmetic number, because the mean of its divisors is an integer number (92454397).

Almost surely, 2^343402033 is an apocalyptic number.

It is an amenable number.

343402033 is a deficient number, since it is larger than the sum of its proper divisors (26415555).

343402033 is a wasteful number, since it uses less digits than its factorization.

343402033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26415554.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 343402033 is about 18531.1098696219. The cubic root of 343402033 is about 700.2733850523.

Adding to 343402033 its reverse (330204343), we get a palindrome (673606376).

The spelling of 343402033 in words is "three hundred forty-three million, four hundred two thousand, thirty-three".