349435261 has 8 divisors (see below), whose sum is σ = 401664384. Its totient is φ = 297783600.

The previous prime is 349435253. The next prime is 349435279. The reversal of 349435261 is 162534943.

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 349435261 - 2³ = 349435253 is a prime.

It is a super-3 number, since 3×349435261³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 349435261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349435231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143065 + ... + 145486.

It is an arithmetic number, because the mean of its divisors is an integer number (50208048).

Almost surely, 2^349435261 is an apocalyptic number.

It is an amenable number.

349435261 is a deficient number, since it is larger than the sum of its proper divisors (52229123).

349435261 is a wasteful number, since it uses less digits than its factorization.

349435261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288731.

The product of its digits is 77760, while the sum is 37.

The square root of 349435261 is about 18693.1875558985. The cubic root of 349435261 is about 704.3506325468.

It can be divided in two parts, 34943 and 5261, that added together give a palindrome (40204).

The spelling of 349435261 in words is "three hundred forty-nine million, four hundred thirty-five thousand, two hundred sixty-one".