196639048 has 8 divisors (see below), whose sum is σ = 368698230. Its totient is φ = 98319520.

The previous prime is 196639031. The next prime is 196639049. The reversal of 196639048 is 840936691.

196639048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 176943204 + 19695844 = 13302^2 + 4438^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 196638989 and 196639007.

It is not an unprimeable number, because it can be changed into a prime (196639049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12289933 + ... + 12289948.

Almost surely, 2^196639048 is an apocalyptic number.

It is an amenable number.

196639048 is a deficient number, since it is larger than the sum of its proper divisors (172059182).

196639048 is a wasteful number, since it uses less digits than its factorization.

196639048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24579887 (or 24579883 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 196639048 is about 14022.8045697000. The cubic root of 196639048 is about 581.5091967975.

It can be divided in two parts, 1966 and 39048, that added together give a palindrome (41014).

The spelling of 196639048 in words is "one hundred ninety-six million, six hundred thirty-nine thousand, forty-eight".