215036930 has 8 divisors (see below), whose sum is σ = 387066492. Its totient is φ = 86014768.

The previous prime is 215036929. The next prime is 215036951. The reversal of 215036930 is 39630512.

It can be written as a sum of positive squares in 2 ways, for example, as 210453049 + 4583881 = 14507^2 + 2141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 215036893 and 215036902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10751837 + ... + 10751856.

Almost surely, 2^215036930 is an apocalyptic number.

215036930 is a deficient number, since it is larger than the sum of its proper divisors (172029562).

215036930 is a wasteful number, since it uses less digits than its factorization.

215036930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21503700.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 215036930 is about 14664.1375470909. The cubic root of 215036930 is about 599.1069399175.

The spelling of 215036930 in words is "two hundred fifteen million, thirty-six thousand, nine hundred thirty".