349351 has 4 divisors (see below), whose sum is σ = 356832. Its totient is φ = 341872.

The previous prime is 349343. The next prime is 349357. The reversal of 349351 is 153943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153943 = 257 ⋅599.

It is a cyclic number.

It is not a de Polignac number, because 349351 - 2³ = 349343 is a prime.

It is a super-2 number, since 2×349351² = 244092242402, which contains 22 as substring.

It is a Duffinian number.

349351 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3670 + ... + 3763.

It is an arithmetic number, because the mean of its divisors is an integer number (89208).

2³⁴⁹³⁵¹ is an apocalyptic number.

349351 is a deficient number, since it is larger than the sum of its proper divisors (7481).

349351 is an equidigital number, since it uses as much as digits as its factorization.

349351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480.

The product of its digits is 1620, while the sum is 25.

The square root of 349351 is about 591.0592186913. The cubic root of 349351 is about 70.4294013514.

The spelling of 349351 in words is "three hundred forty-nine thousand, three hundred fifty-one".