215930950 has 48 divisors (see below), whose sum is σ = 417384000. Its totient is φ = 83049120.

The previous prime is 215930929. The next prime is 215930959. The reversal of 215930950 is 59039512.

It is a happy number.

215930950 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215930959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143301 + ... + 144799.

It is an arithmetic number, because the mean of its divisors is an integer number (8695500).

Almost surely, 2^215930950 is an apocalyptic number.

215930950 is a deficient number, since it is larger than the sum of its proper divisors (201453050).

215930950 is a wasteful number, since it uses less digits than its factorization.

215930950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 215930950 is about 14694.5891402244. The cubic root of 215930950 is about 599.9360580008.

The spelling of 215930950 in words is "two hundred fifteen million, nine hundred thirty thousand, nine hundred fifty".