215848 has 8 divisors (see below), whose sum is σ = 404730. Its totient is φ = 107920.

The previous prime is 215843. The next prime is 215851. The reversal of 215848 is 848512.

215848 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 209764 + 6084 = 458^2 + 78^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (215843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13483 + ... + 13498.

2²¹⁵⁸⁴⁸ is an apocalyptic number.

It is an amenable number.

215848 is a deficient number, since it is larger than the sum of its proper divisors (188882).

215848 is a wasteful number, since it uses less digits than its factorization.

215848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26987 (or 26983 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 215848 is about 464.5944468028. The cubic root of 215848 is about 59.9859226233.

The spelling of 215848 in words is "two hundred fifteen thousand, eight hundred forty-eight".