19814948 has 12 divisors (see below), whose sum is σ = 36501360. Its totient is φ = 9385992.

The previous prime is 19814939. The next prime is 19814953. The reversal of 19814948 is 84941891.

It is a super-3 number, since 3×19814948³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19814899 and 19814908.

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 3 ways as a sum of consecutive naturals, for example, 130286 + ... + 130437.

It is an arithmetic number, because the mean of its divisors is an integer number (3041780).

Almost surely, 2^19814948 is an apocalyptic number.

It is an amenable number.

19814948 is a deficient number, since it is larger than the sum of its proper divisors (16686412).

19814948 is a wasteful number, since it uses less digits than its factorization.

19814948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260746 (or 260744 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 19814948 is about 4451.3984319537. The cubic root of 19814948 is about 270.6019855906.

The spelling of 19814948 in words is "nineteen million, eight hundred fourteen thousand, nine hundred forty-eight".