349450 has 24 divisors (see below), whose sum is σ = 675180. Its totient is φ = 134400.

The previous prime is 349423. The next prime is 349471. The reversal of 349450 is 54943.

349450 = T₄₁₆ + T₄₁₇ + ... + T₄₁₉.

It can be written as a sum of positive squares in 6 ways, for example, as 175561 + 173889 = 419^2 + 417^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

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

It is a zygodrome in base 4.

It is an unprimeable number.

349450 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1330 + ... + 1570.

2³⁴⁹⁴⁵⁰ is an apocalyptic number.

349450 is a deficient number, since it is larger than the sum of its proper divisors (325730).

349450 is a wasteful number, since it uses less digits than its factorization.

349450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 349450 is about 591.1429607126. The cubic root of 349450 is about 70.4360535457.

The spelling of 349450 in words is "three hundred forty-nine thousand, four hundred fifty".