196808515 has 8 divisors (see below), whose sum is σ = 236245680. Its totient is φ = 157396512.

The previous prime is 196808503. The next prime is 196808533. The reversal of 196808515 is 515808691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196808515 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25981 + ... + 32689.

It is an arithmetic number, because the mean of its divisors is an integer number (29530710).

Almost surely, 2^196808515 is an apocalyptic number.

196808515 is a deficient number, since it is larger than the sum of its proper divisors (39437165).

196808515 is an equidigital number, since it uses as much as digits as its factorization.

196808515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12581.

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 196808515 is about 14028.8458185269. The cubic root of 196808515 is about 581.6762004588.

The spelling of 196808515 in words is "one hundred ninety-six million, eight hundred eight thousand, five hundred fifteen".