343606263 has 64 divisors (see below), whose sum is σ = 635142144. Its totient is φ = 159408000.

The previous prime is 343606253. The next prime is 343606267. The reversal of 343606263 is 362606343.

It is not a de Polignac number, because 343606263 - 2⁵ = 343606231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343606267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91248 + ... + 94938.

It is an arithmetic number, because the mean of its divisors is an integer number (9924096).

Almost surely, 2^343606263 is an apocalyptic number.

343606263 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

343606263 is a deficient number, since it is larger than the sum of its proper divisors (291535881).

343606263 is a wasteful number, since it uses less digits than its factorization.

343606263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756.

The product of its (nonzero) digits is 46656, while the sum is 33.

The square root of 343606263 is about 18536.6195138164. The cubic root of 343606263 is about 700.4121810573.

It can be divided in two parts, 343 and 606263, that added together give a palindrome (606606).

The spelling of 343606263 in words is "three hundred forty-three million, six hundred six thousand, two hundred sixty-three".