349378 has 8 divisors (see below), whose sum is σ = 531468. Its totient is φ = 172224.

The previous prime is 349373. The next prime is 349379. The reversal of 349378 is 873943.

It can be written as a sum of positive squares in 2 ways, for example, as 321489 + 27889 = 567^2 + 167^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349373) 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, 1051 + ... + 1342.

2³⁴⁹³⁷⁸ is an apocalyptic number.

349378 is a deficient number, since it is larger than the sum of its proper divisors (182090).

349378 is a wasteful number, since it uses less digits than its factorization.

349378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468.

The product of its digits is 18144, while the sum is 34.

The square root of 349378 is about 591.0820586010. The cubic root of 349378 is about 70.4312157108.

It can be divided in two parts, 349 and 378, that added together give a palindrome (727).

The spelling of 349378 in words is "three hundred forty-nine thousand, three hundred seventy-eight".