19806848 has 32 divisors (see below), whose sum is σ = 39673920. Its totient is φ = 9849600.

The previous prime is 19806833. The next prime is 19806851. The reversal of 19806848 is 84860891.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×19806848² = 784622455390208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19806799 and 19806808.

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, 34403 + ... + 34973.

It is an arithmetic number, because the mean of its divisors is an integer number (1239810).

Almost surely, 2^19806848 is an apocalyptic number.

It is an amenable number.

19806848 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

19806848 is an equidigital number, since it uses as much as digits as its factorization.

19806848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 19806848 is about 4450.4885125119. The cubic root of 19806848 is about 270.5651081312.

The spelling of 19806848 in words is "nineteen million, eight hundred six thousand, eight hundred forty-eight".