349609042 has 4 divisors (see below), whose sum is σ = 524413566. Its totient is φ = 174804520.

The previous prime is 349609037. The next prime is 349609069. The reversal of 349609042 is 240906943.

349609042 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.

It can be written as a sum of positive squares in only one way, i.e., 276523641 + 73085401 = 16629^2 + 8549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 349608992 and 349609010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87402259 + ... + 87402262.

Almost surely, 2^349609042 is an apocalyptic number.

349609042 is a deficient number, since it is larger than the sum of its proper divisors (174804524).

349609042 is a wasteful number, since it uses less digits than its factorization.

349609042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174804523.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 349609042 is about 18697.8352222924. The cubic root of 349609042 is about 704.4673756515.

The spelling of 349609042 in words is "three hundred forty-nine million, six hundred nine thousand, forty-two".