215352104 has 32 divisors (see below), whose sum is σ = 446083200. Its totient is φ = 96645120.

The previous prime is 215352077. The next prime is 215352113. The reversal of 215352104 is 401253512.

It is a self number, because there is not a number n which added to its sum of digits gives 215352104.

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, 8537 + ... + 22440.

It is an arithmetic number, because the mean of its divisors is an integer number (13940100).

Almost surely, 2^215352104 is an apocalyptic number.

It is an amenable number.

215352104 is an abundant number, since it is smaller than the sum of its proper divisors (230731096).

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

215352104 is a wasteful number, since it uses less digits than its factorization.

215352104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31073 (or 31069 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 215352104 is about 14674.8800335812. The cubic root of 215352104 is about 599.3994954874.

The spelling of 215352104 in words is "two hundred fifteen million, three hundred fifty-two thousand, one hundred four".