196918495 has 4 divisors (see below), whose sum is σ = 236302200. Its totient is φ = 157534792.

The previous prime is 196918487. The next prime is 196918499. The reversal of 196918495 is 594819691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196918495 - 2³ = 196918487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196918499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19691845 + ... + 19691854.

It is an arithmetic number, because the mean of its divisors is an integer number (59075550).

Almost surely, 2^196918495 is an apocalyptic number.

196918495 is a deficient number, since it is larger than the sum of its proper divisors (39383705).

196918495 is an equidigital number, since it uses as much as digits as its factorization.

196918495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39383704.

The product of its digits is 699840, while the sum is 52.

The square root of 196918495 is about 14032.7650518349. The cubic root of 196918495 is about 581.7845305207.

The spelling of 196918495 in words is "one hundred ninety-six million, nine hundred eighteen thousand, four hundred ninety-five".