212382386 has 8 divisors (see below), whose sum is σ = 319965420. Its totient is φ = 105727248.

The previous prime is 212382383. The next prime is 212382389. The reversal of 212382386 is 683283212.

It is an interprime number because it is at equal distance from previous prime (212382383) and next prime (212382389).

It can be written as a sum of positive squares in 2 ways, for example, as 211848025 + 534361 = 14555^2 + 731^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212382383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231401 + ... + 232316.

Almost surely, 2^212382386 is an apocalyptic number.

212382386 is a deficient number, since it is larger than the sum of its proper divisors (107583034).

212382386 is a wasteful number, since it uses less digits than its factorization.

212382386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463948.

The product of its digits is 27648, while the sum is 35.

The square root of 212382386 is about 14573.3450518404. The cubic root of 212382386 is about 596.6314812677.

The spelling of 212382386 in words is "two hundred twelve million, three hundred eighty-two thousand, three hundred eighty-six".