196079904 has 144 divisors (see below), whose sum is σ = 611203320. Its totient is φ = 59351040.

The previous prime is 196079893. The next prime is 196079927. The reversal of 196079904 is 409970691.

It can be written as a sum of positive squares in 4 ways, for example, as 183548304 + 12531600 = 13548^2 + 3540^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 196079904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141294 + ... + 142674.

Almost surely, 2^196079904 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 196079904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305601660).

196079904 is an abundant number, since it is smaller than the sum of its proper divisors (415123416).

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

196079904 is a wasteful number, since it uses less digits than its factorization.

196079904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 196079904 is about 14002.8534234991. The cubic root of 196079904 is about 580.9574988932.

The spelling of 196079904 in words is "one hundred ninety-six million, seventy-nine thousand, nine hundred four".