215000470 has 16 divisors (see below), whose sum is σ = 388326960. Its totient is φ = 85705504.

The previous prime is 215000441. The next prime is 215000483. The reversal of 215000470 is 74000512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33760 + ... + 39619.

It is an arithmetic number, because the mean of its divisors is an integer number (24270435).

Almost surely, 2^215000470 is an apocalyptic number.

215000470 is a deficient number, since it is larger than the sum of its proper divisors (173326490).

215000470 is a wasteful number, since it uses less digits than its factorization.

215000470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73679.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 215000470 is about 14662.8943254734. The cubic root of 215000470 is about 599.0730780227.

Adding to 215000470 its reverse (74000512), we get a palindrome (289000982).

The spelling of 215000470 in words is "two hundred fifteen million, four hundred seventy", and thus it is an aban number.