349371269 has 8 divisors (see below), whose sum is σ = 379699320. Its totient is φ = 319536576.

The previous prime is 349371263. The next prime is 349371289. The reversal of 349371269 is 962173943.

It can be written as a sum of positive squares in 4 ways, for example, as 92891044 + 256480225 = 9638^2 + 16015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349371269 is a prime.

It is a super-2 number, since 2×349371269² = 244120567205340722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349371263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121862 + ... + 124695.

It is an arithmetic number, because the mean of its divisors is an integer number (47462415).

Almost surely, 2^349371269 is an apocalyptic number.

It is an amenable number.

349371269 is a deficient number, since it is larger than the sum of its proper divisors (30328051).

349371269 is a wasteful number, since it uses less digits than its factorization.

349371269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246679.

The product of its digits is 244944, while the sum is 44.

The square root of 349371269 is about 18691.4758379321. The cubic root of 349371269 is about 704.3076340648.

The spelling of 349371269 in words is "three hundred forty-nine million, three hundred seventy-one thousand, two hundred sixty-nine".