212834347 has 16 divisors (see below), whose sum is σ = 237330432. Its totient is φ = 189241920.

The previous prime is 212834317. The next prime is 212834351. The reversal of 212834347 is 743438212.

It is a cyclic number.

It is not a de Polignac number, because 212834347 - 2¹⁵ = 212801579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212834317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100938 + ... + 103024.

It is an arithmetic number, because the mean of its divisors is an integer number (14833152).

Almost surely, 2^212834347 is an apocalyptic number.

212834347 is a deficient number, since it is larger than the sum of its proper divisors (24496085).

212834347 is a wasteful number, since it uses less digits than its factorization.

212834347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298.

The product of its digits is 32256, while the sum is 34.

The square root of 212834347 is about 14588.8432372138. The cubic root of 212834347 is about 597.0544025723.

The spelling of 212834347 in words is "two hundred twelve million, eight hundred thirty-four thousand, three hundred forty-seven".