349881069 has 8 divisors (see below), whose sum is σ = 471127392. Its totient is φ = 230944400.

The previous prime is 349881031. The next prime is 349881071. The reversal of 349881069 is 960188943.

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 349881069 - 2⁷ = 349880941 is a prime.

It is a super-2 number, since 2×349881069² = 244833524889165522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349881079) 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, 577059 + ... + 577664.

It is an arithmetic number, because the mean of its divisors is an integer number (58890924).

Almost surely, 2^349881069 is an apocalyptic number.

It is an amenable number.

349881069 is a deficient number, since it is larger than the sum of its proper divisors (121246323).

349881069 is a wasteful number, since it uses less digits than its factorization.

349881069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154827.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 349881069 is about 18705.1080991263. The cubic root of 349881069 is about 704.6500410886.

The spelling of 349881069 in words is "three hundred forty-nine million, eight hundred eighty-one thousand, sixty-nine".