213282386 has 4 divisors (see below), whose sum is σ = 319923582. Its totient is φ = 106641192.

The previous prime is 213282379. The next prime is 213282397. The reversal of 213282386 is 683282312.

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

It can be written as a sum of positive squares in only one way, i.e., 115885225 + 97397161 = 10765^2 + 9869^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53320595 + ... + 53320598.

Almost surely, 2^213282386 is an apocalyptic number.

213282386 is a deficient number, since it is larger than the sum of its proper divisors (106641196).

213282386 is a wasteful number, since it uses less digits than its factorization.

213282386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106641195.

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

The square root of 213282386 is about 14604.1906999327. The cubic root of 213282386 is about 597.4730633328.

The spelling of 213282386 in words is "two hundred thirteen million, two hundred eighty-two thousand, three hundred eighty-six".