215300 has 18 divisors (see below), whose sum is σ = 467418. Its totient is φ = 86080.

The previous prime is 215297. The next prime is 215309. The reversal of 215300 is 3512.

It can be written as a sum of positive squares in 3 ways, for example, as 4 + 215296 = 2^2 + 464^2 .

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 215300.

It is not an unprimeable number, because it can be changed into a prime (215309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 977 + ... + 1176.

2²¹⁵³⁰⁰ is an apocalyptic number.

215300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215300 is an abundant number, since it is smaller than the sum of its proper divisors (252118).

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

215300 is a wasteful number, since it uses less digits than its factorization.

215300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167 (or 2160 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 215300 is about 464.0043103248. The cubic root of 215300 is about 59.9351150429.

Adding to 215300 its reverse (3512), we get a palindrome (218812).

It can be divided in two parts, 215 and 300, that added together give a palindrome (515).

The spelling of 215300 in words is "two hundred fifteen thousand, three hundred".