215096 has 32 divisors (see below), whose sum is σ = 483840. Its totient is φ = 87648.

The previous prime is 215087. The next prime is 215123. The reversal of 215096 is 690512.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2²¹⁵⁰⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241920).

215096 is an abundant number, since it is smaller than the sum of its proper divisors (268744).

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

215096 is a wasteful number, since it uses less digits than its factorization.

215096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 215096 is about 463.7844326840. The cubic root of 215096 is about 59.9161792522.

The spelling of 215096 in words is "two hundred fifteen thousand, ninety-six".