19850996 has 12 divisors (see below), whose sum is σ = 37897440. Its totient is φ = 9023160.

The previous prime is 19850983. The next prime is 19851017. The reversal of 19850996 is 69905891.

It is a self number, because there is not a number n which added to its sum of digits gives 19850996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225536 + ... + 225623.

It is an arithmetic number, because the mean of its divisors is an integer number (3158120).

Almost surely, 2^19850996 is an apocalyptic number.

It is an amenable number.

19850996 is a deficient number, since it is larger than the sum of its proper divisors (18046444).

19850996 is a wasteful number, since it uses less digits than its factorization.

19850996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451174 (or 451172 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 19850996 is about 4455.4456567217. The cubic root of 19850996 is about 270.7659821689.

The spelling of 19850996 in words is "nineteen million, eight hundred fifty thousand, nine hundred ninety-six".