349759442 has 4 divisors (see below), whose sum is σ = 524639166. Its totient is φ = 174879720.

The previous prime is 349759387. The next prime is 349759447. The reversal of 349759442 is 244957943.

349759442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244957943 = 241 ⋅1016423.

It can be written as a sum of positive squares in only one way, i.e., 349727401 + 32041 = 18701^2 + 179^2 .

It is not an unprimeable number, because it can be changed into a prime (349759447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87439859 + ... + 87439862.

Almost surely, 2^349759442 is an apocalyptic number.

349759442 is a deficient number, since it is larger than the sum of its proper divisors (174879724).

349759442 is a wasteful number, since it uses less digits than its factorization.

349759442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174879723.

The product of its digits is 1088640, while the sum is 47.

The square root of 349759442 is about 18701.8566457986. The cubic root of 349759442 is about 704.5683805749.

The spelling of 349759442 in words is "three hundred forty-nine million, seven hundred fifty-nine thousand, four hundred forty-two".