215340682 has 8 divisors (see below), whose sum is σ = 325477152. Its totient is φ = 106848300.

The previous prime is 215340667. The next prime is 215340691. The reversal of 215340682 is 286043512.

215340682 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410694 + ... + 411217.

It is an arithmetic number, because the mean of its divisors is an integer number (40684644).

Almost surely, 2^215340682 is an apocalyptic number.

215340682 is a deficient number, since it is larger than the sum of its proper divisors (110136470).

215340682 is a wasteful number, since it uses less digits than its factorization.

215340682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822044.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 215340682 is about 14674.4908599924. The cubic root of 215340682 is about 599.3888981726.

The spelling of 215340682 in words is "two hundred fifteen million, three hundred forty thousand, six hundred eighty-two".