196918293 has 96 divisors (see below), whose sum is σ = 344051712. Its totient is φ = 98841600.

The previous prime is 196918289. The next prime is 196918307. The reversal of 196918293 is 392819691.

It is not a de Polignac number, because 196918293 - 2² = 196918289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196918213) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2939046 + ... + 2939112.

It is an arithmetic number, because the mean of its divisors is an integer number (3583872).

Almost surely, 2^196918293 is an apocalyptic number.

196918293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

196918293 is a deficient number, since it is larger than the sum of its proper divisors (147133419).

196918293 is a wasteful number, since it uses less digits than its factorization.

196918293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 142 counting only the distinct ones).

The product of its digits is 209952, while the sum is 48.

The square root of 196918293 is about 14032.7578543920. The cubic root of 196918293 is about 581.7843315881.

The spelling of 196918293 in words is "one hundred ninety-six million, nine hundred eighteen thousand, two hundred ninety-three".