349148069 has 8 divisors (see below), whose sum is σ = 351727488. Its totient is φ = 346574800.

The previous prime is 349148053. The next prime is 349148113. The reversal of 349148069 is 960841943.

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 349148069 - 2⁴ = 349148053 is a prime.

It is a super-2 number, since 2×349148069² = 243808748172857522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349148029) 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, 216464 + ... + 218070.

It is an arithmetic number, because the mean of its divisors is an integer number (43965936).

Almost surely, 2^349148069 is an apocalyptic number.

It is an amenable number.

349148069 is a deficient number, since it is larger than the sum of its proper divisors (2579419).

349148069 is a wasteful number, since it uses less digits than its factorization.

349148069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 349148069 is about 18685.5042479458. The cubic root of 349148069 is about 704.1576170042.

The spelling of 349148069 in words is "three hundred forty-nine million, one hundred forty-eight thousand, sixty-nine".