347949 has 24 divisors (see below), whose sum is σ = 601920. Its totient is φ = 198072.

The previous prime is 347933. The next prime is 347951. The reversal of 347949 is 949743.

It is not a de Polignac number, because 347949 - 2⁴ = 347933 is a prime.

It is a Curzon number.

347949 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 347949.

It is not an unprimeable number, because it can be changed into a prime (347929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1192 + ... + 1454.

It is an arithmetic number, because the mean of its divisors is an integer number (25080).

2³⁴⁷⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

347949 is a deficient number, since it is larger than the sum of its proper divisors (253971).

347949 is a wasteful number, since it uses less digits than its factorization.

347949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 273 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 347949 is about 589.8720200179. The cubic root of 347949 is about 70.3350603161.

It can be divided in two parts, 347 and 949, that added together give a 4-th power (1296 = 6⁴).

The spelling of 347949 in words is "three hundred forty-seven thousand, nine hundred forty-nine".