215241108 has 12 divisors (see below), whose sum is σ = 502229280. Its totient is φ = 71747032.

The previous prime is 215241073. The next prime is 215241113. The reversal of 215241108 is 801142512.

It is a tau number, because it is divible by the number of its divisors (12).

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, 8968368 + ... + 8968391.

It is an arithmetic number, because the mean of its divisors is an integer number (41852440).

Almost surely, 2^215241108 is an apocalyptic number.

It is an amenable number.

215241108 is an abundant number, since it is smaller than the sum of its proper divisors (286988172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215241108 is a wasteful number, since it uses less digits than its factorization.

215241108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17936766 (or 17936764 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 215241108 is about 14671.0977094422. The cubic root of 215241108 is about 599.2964976854.

The spelling of 215241108 in words is "two hundred fifteen million, two hundred forty-one thousand, one hundred eight".