100215982 has 8 divisors (see below), whose sum is σ = 151319952. Its totient is φ = 49776000.

The previous prime is 100215979. The next prime is 100215989. The reversal of 100215982 is 289512001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 100215982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100215989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165619 + ... + 166222.

It is an arithmetic number, because the mean of its divisors is an integer number (18914994).

Almost surely, 2^100215982 is an apocalyptic number.

100215982 is a deficient number, since it is larger than the sum of its proper divisors (51103970).

100215982 is a wasteful number, since it uses less digits than its factorization.

100215982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331994.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 100215982 is about 10010.7932752605. The cubic root of 100215982 is about 464.4928096162.

Adding to 100215982 its reverse (289512001), we get a palindrome (389727983).

The spelling of 100215982 in words is "one hundred million, two hundred fifteen thousand, nine hundred eighty-two".