196205004 has 72 divisors (see below), whose sum is σ = 519883728. Its totient is φ = 64696320.

The previous prime is 196205003. The next prime is 196205027. The reversal of 196205004 is 400502691.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (196205003) 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, 93244 + ... + 95324.

Almost surely, 2^196205004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196205004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259941864).

196205004 is an abundant number, since it is smaller than the sum of its proper divisors (323678724).

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

196205004 is a wasteful number, since it uses less digits than its factorization.

196205004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 196205004 is about 14007.3196579503. The cubic root of 196205004 is about 581.0810239304.

Adding to 196205004 its reverse (400502691), we get a palindrome (596707695).

The spelling of 196205004 in words is "one hundred ninety-six million, two hundred five thousand, four".