349456 has 10 divisors (see below), whose sum is σ = 677102. Its totient is φ = 174720.

The previous prime is 349423. The next prime is 349471. The reversal of 349456 is 654943.

It can be written as a sum of positive squares in only one way, i.e., 176400 + 173056 = 420^2 + 416^2 .

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10905 + ... + 10936.

2³⁴⁹⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

349456 is a deficient number, since it is larger than the sum of its proper divisors (327646).

349456 is a wasteful number, since it uses less digits than its factorization.

349456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21849 (or 21843 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 349456 is about 591.1480356053. The cubic root of 349456 is about 70.4364566686.

The spelling of 349456 in words is "three hundred forty-nine thousand, four hundred fifty-six".