215216034 has 32 divisors (see below), whose sum is σ = 474417216. Its totient is φ = 64542720.

The previous prime is 215216009. The next prime is 215216041. The reversal of 215216034 is 430612512.

It is a junction number, because it is equal to n+sod(n) for n = 215215995 and 215216013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10407 + ... + 23210.

It is an arithmetic number, because the mean of its divisors is an integer number (14825538).

Almost surely, 2^215216034 is an apocalyptic number.

215216034 is an abundant number, since it is smaller than the sum of its proper divisors (259201182).

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

215216034 is a wasteful number, since it uses less digits than its factorization.

215216034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33730.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 215216034 is about 14670.2431472692. The cubic root of 215216034 is about 599.2732255759.

Adding to 215216034 its reverse (430612512), we get a palindrome (645828546).

The spelling of 215216034 in words is "two hundred fifteen million, two hundred sixteen thousand, thirty-four".