215196943 has 8 divisors (see below), whose sum is σ = 231947408. Its totient is φ = 198474624.

The previous prime is 215196929. The next prime is 215196967. The reversal of 215196943 is 349691512.

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

It is a cyclic number.

It is not a de Polignac number, because 215196943 - 2⁹ = 215196431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215196896 and 215196905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215196913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10480 + ... + 23242.

It is an arithmetic number, because the mean of its divisors is an integer number (28993426).

Almost surely, 2^215196943 is an apocalyptic number.

215196943 is a deficient number, since it is larger than the sum of its proper divisors (16750465).

215196943 is a wasteful number, since it uses less digits than its factorization.

215196943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14073.

The product of its digits is 58320, while the sum is 40.

The square root of 215196943 is about 14669.5924619602. The cubic root of 215196943 is about 599.2555052985.

The spelling of 215196943 in words is "two hundred fifteen million, one hundred ninety-six thousand, nine hundred forty-three".