215000960 has 64 divisors (see below), whose sum is σ = 541069200. Its totient is φ = 81469440.

The previous prime is 215000927. The next prime is 215001013. The reversal of 215000960 is 69000512.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3320 + ... + 21000.

Almost surely, 2^215000960 is an apocalyptic number.

215000960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215000960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270534600).

215000960 is an abundant number, since it is smaller than the sum of its proper divisors (326068240).

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

215000960 is a wasteful number, since it uses less digits than its factorization.

215000960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17719 (or 17707 counting only the distinct ones).

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

The square root of 215000960 is about 14662.9110343069. The cubic root of 215000960 is about 599.0735331312.

The spelling of 215000960 in words is "two hundred fifteen million, nine hundred sixty", and thus it is an aban number.