212828349 has 8 divisors (see below), whose sum is σ = 283897152. Its totient is φ = 141822560.

The previous prime is 212828339. The next prime is 212828353. The reversal of 212828349 is 943828212.

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

It is a cyclic number.

It is not a de Polignac number, because 212828349 - 2⁷ = 212828221 is a prime.

It is a super-2 number, since 2×212828349² = 90591812276131602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212828339) 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, 7209 + ... + 21854.

It is an arithmetic number, because the mean of its divisors is an integer number (35487144).

Almost surely, 2^212828349 is an apocalyptic number.

It is an amenable number.

212828349 is a deficient number, since it is larger than the sum of its proper divisors (71068803).

212828349 is a wasteful number, since it uses less digits than its factorization.

212828349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31507.

The product of its digits is 55296, while the sum is 39.

The square root of 212828349 is about 14588.6376677194. The cubic root of 212828349 is about 597.0487938817.

The spelling of 212828349 in words is "two hundred twelve million, eight hundred twenty-eight thousand, three hundred forty-nine".