19494996 has 24 divisors (see below), whose sum is σ = 46547424. Its totient is φ = 6347040.

The previous prime is 19494949. The next prime is 19495009. The reversal of 19494996 is 69949491.

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 in 7 ways as a sum of consecutive naturals, for example, 18375 + ... + 19406.

It is an arithmetic number, because the mean of its divisors is an integer number (1939476).

Almost surely, 2^19494996 is an apocalyptic number.

It is an amenable number.

19494996 is an abundant number, since it is smaller than the sum of its proper divisors (27052428).

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

19494996 is a wasteful number, since it uses less digits than its factorization.

19494996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37831 (or 37829 counting only the distinct ones).

The product of its digits is 629856, while the sum is 51.

The square root of 19494996 is about 4415.3138053824. The cubic root of 19494996 is about 269.1376050484.

The spelling of 19494996 in words is "nineteen million, four hundred ninety-four thousand, nine hundred ninety-six".