196213915 has 8 divisors (see below), whose sum is σ = 249307200. Its totient is φ = 147737472.

The previous prime is 196213907. The next prime is 196213921. The reversal of 196213915 is 519312691.

It is a happy number.

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 196213915 - 2³ = 196213907 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, 1154115 + ... + 1154284.

It is an arithmetic number, because the mean of its divisors is an integer number (31163400).

Almost surely, 2^196213915 is an apocalyptic number.

196213915 is a deficient number, since it is larger than the sum of its proper divisors (53093285).

196213915 is a wasteful number, since it uses less digits than its factorization.

196213915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308421.

The product of its digits is 14580, while the sum is 37.

The square root of 196213915 is about 14007.6377380342. The cubic root of 196213915 is about 581.0898207407.

The spelling of 196213915 in words is "one hundred ninety-six million, two hundred thirteen thousand, nine hundred fifteen".