215632982 has 8 divisors (see below), whose sum is σ = 324593256. Its totient is φ = 107435232.

The previous prime is 215632979. The next prime is 215632997. The reversal of 215632982 is 289236512.

215632982 is digitally balanced in base 2, 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 a congruent number.

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, 189923 + ... + 191054.

It is an arithmetic number, because the mean of its divisors is an integer number (40574157).

Almost surely, 2^215632982 is an apocalyptic number.

215632982 is a deficient number, since it is larger than the sum of its proper divisors (108960274).

215632982 is a wasteful number, since it uses less digits than its factorization.

215632982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381262.

The product of its digits is 51840, while the sum is 38.

The square root of 215632982 is about 14684.4469422583. The cubic root of 215632982 is about 599.6599758609.

The spelling of 215632982 in words is "two hundred fifteen million, six hundred thirty-two thousand, nine hundred eighty-two".