349511 has 4 divisors (see below), whose sum is σ = 351624. Its totient is φ = 347400.

The previous prime is 349507. The next prime is 349519. The reversal of 349511 is 115943.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349511 - 2² = 349507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349519) 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, 785 + ... + 1146.

It is an arithmetic number, because the mean of its divisors is an integer number (87906).

2³⁴⁹⁵¹¹ is an apocalyptic number.

349511 is a deficient number, since it is larger than the sum of its proper divisors (2113).

349511 is a wasteful number, since it uses less digits than its factorization.

349511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

The product of its digits is 540, while the sum is 23.

The square root of 349511 is about 591.1945534255. The cubic root of 349511 is about 70.4401517469.

The spelling of 349511 in words is "three hundred forty-nine thousand, five hundred eleven".