349813275 has 48 divisors (see below), whose sum is σ = 695788800. Its totient is φ = 151493760.

The previous prime is 349813273. The next prime is 349813297. The reversal of 349813275 is 572318943.

It is not a de Polignac number, because 349813275 - 2¹ = 349813273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349813273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7560 + ... + 27509.

It is an arithmetic number, because the mean of its divisors is an integer number (14495600).

Almost surely, 2^349813275 is an apocalyptic number.

349813275 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

349813275 is a deficient number, since it is larger than the sum of its proper divisors (345975525).

349813275 is a wasteful number, since it uses less digits than its factorization.

349813275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35108 (or 35103 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 349813275 is about 18703.2958325531. The cubic root of 349813275 is about 704.6045264506.

The spelling of 349813275 in words is "three hundred forty-nine million, eight hundred thirteen thousand, two hundred seventy-five".