196149788 has 6 divisors (see below), whose sum is σ = 343262136. Its totient is φ = 98074892.

The previous prime is 196149769. The next prime is 196149827. The reversal of 196149788 is 887941691.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24518720 + ... + 24518727.

It is an arithmetic number, because the mean of its divisors is an integer number (57210356).

Almost surely, 2^196149788 is an apocalyptic number.

It is an amenable number.

196149788 is a deficient number, since it is larger than the sum of its proper divisors (147112348).

196149788 is a wasteful number, since it uses less digits than its factorization.

196149788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49037451 (or 49037449 counting only the distinct ones).

The product of its digits is 870912, while the sum is 53.

The square root of 196149788 is about 14005.3485497506. The cubic root of 196149788 is about 581.0265095544.

The spelling of 196149788 in words is "one hundred ninety-six million, one hundred forty-nine thousand, seven hundred eighty-eight".