349308071 has 8 divisors (see below), whose sum is σ = 399349920. Its totient is φ = 299301408.

The previous prime is 349308053. The next prime is 349308119. The reversal of 349308071 is 170803943.

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

It is not a de Polignac number, because 349308071 - 2⁶ = 349308007 is a prime.

It is a super-2 number, since 2×349308071² = 244032256931482082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349308041) 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, 17885 + ... + 31913.

It is an arithmetic number, because the mean of its divisors is an integer number (49918740).

Almost surely, 2^349308071 is an apocalyptic number.

349308071 is a deficient number, since it is larger than the sum of its proper divisors (50041849).

349308071 is a wasteful number, since it uses less digits than its factorization.

349308071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17593.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 349308071 is about 18689.7852047582. The cubic root of 349308071 is about 704.2651639459.

The spelling of 349308071 in words is "three hundred forty-nine million, three hundred eight thousand, seventy-one".