349580738 has 16 divisors (see below), whose sum is σ = 582925056. Its totient is φ = 156139920.

The previous prime is 349580731. The next prime is 349580797. The reversal of 349580738 is 837085943.

It is a junction number, because it is equal to n+sod(n) for n = 349580692 and 349580701.

It is not an unprimeable number, because it can be changed into a prime (349580731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216056 + ... + 217667.

It is an arithmetic number, because the mean of its divisors is an integer number (36432816).

Almost surely, 2^349580738 is an apocalyptic number.

349580738 is a deficient number, since it is larger than the sum of its proper divisors (233344318).

349580738 is a wasteful number, since it uses less digits than its factorization.

349580738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433769.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 349580738 is about 18697.0783279100. The cubic root of 349580738 is about 704.4483641459.

The spelling of 349580738 in words is "three hundred forty-nine million, five hundred eighty thousand, seven hundred thirty-eight".