346439349 has 10 divisors (see below), whose sum is σ = 517520630. Its totient is φ = 230959512.

The previous prime is 346439333. The next prime is 346439351. The reversal of 346439349 is 943934643.

It can be written as a sum of positive squares in only one way, i.e., 340402500 + 6036849 = 18450^2 + 2457^2 .

It is not a de Polignac number, because 346439349 - 2⁴ = 346439333 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 (346439389) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2138434 + ... + 2138595.

It is an arithmetic number, because the mean of its divisors is an integer number (51752063).

Almost surely, 2^346439349 is an apocalyptic number.

It is an amenable number.

346439349 is a deficient number, since it is larger than the sum of its proper divisors (171081281).

346439349 is an equidigital number, since it uses as much as digits as its factorization.

346439349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277041 (or 4277032 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The square root of 346439349 is about 18612.8812654033. The cubic root of 346439349 is about 702.3319162377.

The spelling of 346439349 in words is "three hundred forty-six million, four hundred thirty-nine thousand, three hundred forty-nine".