19960506 has 48 divisors (see below), whose sum is σ = 45593184. Its totient is φ = 6543504.

The previous prime is 19960459. The next prime is 19960511. The reversal of 19960506 is 60506991.

19960506 is a `hidden beast` number, since 1 + 99 + 60 + 506 = 666.

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 23 ways as a sum of consecutive naturals, for example, 32256 + ... + 32868.

It is an arithmetic number, because the mean of its divisors is an integer number (949858).

Almost surely, 2^19960506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19960506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22796592).

19960506 is an abundant number, since it is smaller than the sum of its proper divisors (25632678).

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

19960506 is an equidigital number, since it uses as much as digits as its factorization.

19960506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 19960506 is about 4467.7182095562. The cubic root of 19960506 is about 271.2629719068.

The spelling of 19960506 in words is "nineteen million, nine hundred sixty thousand, five hundred six".