349080442 has 8 divisors (see below), whose sum is σ = 528805332. Its totient is φ = 172812000.

The previous prime is 349080383. The next prime is 349080443. The reversal of 349080442 is 244080943.

It can be written as a sum of positive squares in 2 ways, for example, as 346294881 + 2785561 = 18609^2 + 1669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 349080398 and 349080407.

It is not an unprimeable number, because it can be changed into a prime (349080443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863859 + ... + 864262.

Almost surely, 2^349080442 is an apocalyptic number.

349080442 is a deficient number, since it is larger than the sum of its proper divisors (179724890).

349080442 is a wasteful number, since it uses less digits than its factorization.

349080442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728224.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 349080442 is about 18683.6945489911. The cubic root of 349080442 is about 704.1121509624.

The spelling of 349080442 in words is "three hundred forty-nine million, eighty thousand, four hundred forty-two".