349810 has 8 divisors (see below), whose sum is σ = 629676. Its totient is φ = 139920.

The previous prime is 349801. The next prime is 349813. The reversal of 349810 is 18943.

It can be written as a sum of positive squares in 2 ways, for example, as 349281 + 529 = 591^2 + 23^2 .

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

It is a super-2 number, since 2×349810² = 244734072200, which contains 22 as substring.

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

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 3 ways as a sum of consecutive naturals, for example, 17481 + ... + 17500.

2³⁴⁹⁸¹⁰ is an apocalyptic number.

349810 is a deficient number, since it is larger than the sum of its proper divisors (279866).

349810 is a wasteful number, since it uses less digits than its factorization.

349810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34988.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 349810 is about 591.4473772027. The cubic root of 349810 is about 70.4602327576.

The spelling of 349810 in words is "three hundred forty-nine thousand, eight hundred ten".