349518375 has 32 divisors (see below), whose sum is σ = 646226880. Its totient is φ = 186408000.

The previous prime is 349518371. The next prime is 349518383. The reversal of 349518375 is 573815943.

It is not a de Polignac number, because 349518375 - 2² = 349518371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 349518375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349518371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48406 + ... + 55155.

It is an arithmetic number, because the mean of its divisors is an integer number (20194590).

Almost surely, 2^349518375 is an apocalyptic number.

349518375 is a deficient number, since it is larger than the sum of its proper divisors (296708505).

349518375 is a wasteful number, since it uses less digits than its factorization.

349518375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103585 (or 103569 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 349518375 is about 18695.4105330693. The cubic root of 349518375 is about 704.4064719389.

The spelling of 349518375 in words is "three hundred forty-nine million, five hundred eighteen thousand, three hundred seventy-five".