196523215 has 32 divisors (see below), whose sum is σ = 277125120. Its totient is φ = 130996224.

The previous prime is 196523203. The next prime is 196523231. The reversal of 196523215 is 512325691.

It is a cyclic number.

It is not a de Polignac number, because 196523215 - 2⁵ = 196523183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317176 + ... + 317794.

It is an arithmetic number, because the mean of its divisors is an integer number (8660160).

Almost surely, 2^196523215 is an apocalyptic number.

196523215 is a deficient number, since it is larger than the sum of its proper divisors (80601905).

196523215 is a wasteful number, since it uses less digits than its factorization.

196523215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its digits is 16200, while the sum is 34.

The square root of 196523215 is about 14018.6737960479. The cubic root of 196523215 is about 581.3949923099.

The spelling of 196523215 in words is "one hundred ninety-six million, five hundred twenty-three thousand, two hundred fifteen".