349815 has 8 divisors (see below), whose sum is σ = 559728. Its totient is φ = 186560.

The previous prime is 349813. The next prime is 349819. The reversal of 349815 is 518943.

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

It is not a de Polignac number, because 349815 - 2¹ = 349813 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349813) 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, 11646 + ... + 11675.

It is an arithmetic number, because the mean of its divisors is an integer number (69966).

2³⁴⁹⁸¹⁵ is an apocalyptic number.

349815 is a deficient number, since it is larger than the sum of its proper divisors (209913).

349815 is a wasteful number, since it uses less digits than its factorization.

349815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23329.

The product of its digits is 4320, while the sum is 30.

The square root of 349815 is about 591.4516041064. The cubic root of 349815 is about 70.4605684631.

The spelling of 349815 in words is "three hundred forty-nine thousand, eight hundred fifteen".