349000147 has 4 divisors (see below), whose sum is σ = 352455696. Its totient is φ = 345544600.

The previous prime is 349000121. The next prime is 349000187. The reversal of 349000147 is 741000943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349000147 is a prime.

It is a super-2 number, since 2×349000147² = 243602205212043218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349000187) 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, 1727623 + ... + 1727824.

It is an arithmetic number, because the mean of its divisors is an integer number (88113924).

Almost surely, 2^349000147 is an apocalyptic number.

349000147 is a deficient number, since it is larger than the sum of its proper divisors (3455549).

349000147 is a wasteful number, since it uses less digits than its factorization.

349000147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455548.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 349000147 is about 18681.5456266338. The cubic root of 349000147 is about 704.0581605219.

The spelling of 349000147 in words is "three hundred forty-nine million, one hundred forty-seven", and thus it is an aban number.