19940796 has 48 divisors (see below), whose sum is σ = 54744480. Its totient is φ = 6255360.

The previous prime is 19940783. The next prime is 19940797. The reversal of 19940796 is 69704991.

It is a super-2 number, since 2×19940796² = 795270690227232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19940797) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3595 + ... + 7266.

It is an arithmetic number, because the mean of its divisors is an integer number (1140510).

Almost surely, 2^19940796 is an apocalyptic number.

It is an amenable number.

19940796 is an abundant number, since it is smaller than the sum of its proper divisors (34803684).

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

19940796 is a wasteful number, since it uses less digits than its factorization.

19940796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10891 (or 10883 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 19940796 is about 4465.5118407636. The cubic root of 19940796 is about 271.1736563024.

It can be divided in two parts, 19940 and 796, that added together give a 4-th power (20736 = 12⁴).

The spelling of 19940796 in words is "nineteen million, nine hundred forty thousand, seven hundred ninety-six".