196040404 has 48 divisors (see below), whose sum is σ = 426065920. Its totient is φ = 77021280.

The previous prime is 196040381. The next prime is 196040407. The reversal of 196040404 is 404040691.

It is a Harshad number since it is a multiple of its sum of digits (28).

196040404 is a modest number, since divided by 40404 gives 196 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196040407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10549 + ... + 22435.

Almost surely, 2^196040404 is an apocalyptic number.

196040404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196040404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213032960).

196040404 is an abundant number, since it is smaller than the sum of its proper divisors (230025516).

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

196040404 is a wasteful number, since it uses less digits than its factorization.

196040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11948 (or 11946 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 196040404 is about 14001.4429256416. The cubic root of 196040404 is about 580.9184852702.

The spelling of 196040404 in words is "one hundred ninety-six million, forty thousand, four hundred four".