196689924 has 48 divisors (see below), whose sum is σ = 520800000. Its totient is φ = 64166688.

The previous prime is 196689923. The next prime is 196689929. The reversal of 196689924 is 429986691.

196689924 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (196689923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14299 + ... + 24450.

It is an arithmetic number, because the mean of its divisors is an integer number (10850000).

Almost surely, 2^196689924 is an apocalyptic number.

It is an amenable number.

196689924 is an abundant number, since it is smaller than the sum of its proper divisors (324110076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196689924 is a wasteful number, since it uses less digits than its factorization.

196689924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38809 (or 38801 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 196689924 is about 14024.6184974851. The cubic root of 196689924 is about 581.5593433496.

It can be divided in two parts, 19668 and 9924, that added together give a palindrome (29592).

The spelling of 196689924 in words is "one hundred ninety-six million, six hundred eighty-nine thousand, nine hundred twenty-four".