349939 has 2 divisors, whose sum is σ = 349940. Its totient is φ = 349938.

The previous prime is 349933. The next prime is 349949. The reversal of 349939 is 939943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349939 - 2³ = 349931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349898 and 349907.

It is not a weakly prime, because it can be changed into another prime (349931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174969 + 174970.

It is an arithmetic number, because the mean of its divisors is an integer number (174970).

2³⁴⁹⁹³⁹ is an apocalyptic number.

349939 is a deficient number, since it is larger than the sum of its proper divisors (1).

349939 is an equidigital number, since it uses as much as digits as its factorization.

349939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 37.

The square root of 349939 is about 591.5564216539. The cubic root of 349939 is about 70.4688929378.

The spelling of 349939 in words is "three hundred forty-nine thousand, nine hundred thirty-nine".