196910685 has 24 divisors (see below), whose sum is σ = 343927584. Its totient is φ = 104214240.

The previous prime is 196910669. The next prime is 196910687. The reversal of 196910685 is 586019691.

It is not a de Polignac number, because 196910685 - 2⁴ = 196910669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 196910685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196910687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10807 + ... + 22596.

It is an arithmetic number, because the mean of its divisors is an integer number (14330316).

Almost surely, 2^196910685 is an apocalyptic number.

196910685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196910685 is a deficient number, since it is larger than the sum of its proper divisors (147016899).

196910685 is a wasteful number, since it uses less digits than its factorization.

196910685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33545 (or 33542 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 196910685 is about 14032.4867717736. The cubic root of 196910685 is about 581.7768390183.

The spelling of 196910685 in words is "one hundred ninety-six million, nine hundred ten thousand, six hundred eighty-five".