19601996 has 12 divisors (see below), whose sum is σ = 36109080. Its totient is φ = 9285120.

The previous prime is 19601947. The next prime is 19602001. The reversal of 19601996 is 69910691.

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 in 3 ways as a sum of consecutive naturals, for example, 128885 + ... + 129036.

It is an arithmetic number, because the mean of its divisors is an integer number (3009090).

Almost surely, 2^19601996 is an apocalyptic number.

It is an amenable number.

19601996 is a deficient number, since it is larger than the sum of its proper divisors (16507084).

19601996 is a wasteful number, since it uses less digits than its factorization.

19601996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257944 (or 257942 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 19601996 is about 4427.4141437187. The cubic root of 19601996 is about 269.6291020720.

It can be divided in two parts, 19 and 601996, that multiplied together give a square (11437924 = 3382²).

The spelling of 19601996 in words is "nineteen million, six hundred one thousand, nine hundred ninety-six".