349407829 has 2 divisors, whose sum is σ = 349407830. Its totient is φ = 349407828.

The previous prime is 349407803. The next prime is 349407911. The reversal of 349407829 is 928704943.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292752100 + 56655729 = 17110^2 + 7527^2 .

It is a cyclic number.

It is not a de Polignac number, because 349407829 - 2⁵ = 349407797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349407229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174703914 + 174703915.

It is an arithmetic number, because the mean of its divisors is an integer number (174703915).

Almost surely, 2^349407829 is an apocalyptic number.

It is an amenable number.

349407829 is a deficient number, since it is larger than the sum of its proper divisors (1).

349407829 is an equidigital number, since it uses as much as digits as its factorization.

349407829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 349407829 is about 18692.4537982577. The cubic root of 349407829 is about 704.3322006612.

The spelling of 349407829 in words is "three hundred forty-nine million, four hundred seven thousand, eight hundred twenty-nine".