349187330 has 8 divisors (see below), whose sum is σ = 628537212. Its totient is φ = 139674928.

The previous prime is 349187329. The next prime is 349187351. The reversal of 349187330 is 33781943.

It can be written as a sum of positive squares in 2 ways, for example, as 314601169 + 34586161 = 17737^2 + 5881^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17459357 + ... + 17459376.

Almost surely, 2^349187330 is an apocalyptic number.

349187330 is a deficient number, since it is larger than the sum of its proper divisors (279349882).

349187330 is a wasteful number, since it uses less digits than its factorization.

349187330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34918740.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 349187330 is about 18686.5547921494. The cubic root of 349187330 is about 704.1840097188.

The spelling of 349187330 in words is "three hundred forty-nine million, one hundred eighty-seven thousand, three hundred thirty".