349405229 has 16 divisors (see below), whose sum is σ = 367276800. Its totient is φ = 332107776.

The previous prime is 349405219. The next prime is 349405279. The reversal of 349405229 is 922504943.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 349405229 - 2²⁴ = 332628013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349405192 and 349405201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349405219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247277 + ... + 248685.

It is an arithmetic number, because the mean of its divisors is an integer number (22954800).

Almost surely, 2^349405229 is an apocalyptic number.

It is an amenable number.

349405229 is a deficient number, since it is larger than the sum of its proper divisors (17871571).

349405229 is a wasteful number, since it uses less digits than its factorization.

349405229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 349405229 is about 18692.3842513469. The cubic root of 349405229 is about 704.3304536404.

The spelling of 349405229 in words is "three hundred forty-nine million, four hundred five thousand, two hundred twenty-nine".