19748814 has 8 divisors (see below), whose sum is σ = 39497640. Its totient is φ = 6582936.

The previous prime is 19748803. The next prime is 19748819. The reversal of 19748814 is 41884791.

It is a sphenic number, since it is the product of 3 distinct primes.

19748814 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19748819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645729 + ... + 1645740.

It is an arithmetic number, because the mean of its divisors is an integer number (4937205).

Almost surely, 2^19748814 is an apocalyptic number.

19748814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19748814 is a wasteful number, since it uses less digits than its factorization.

19748814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291474.

The product of its digits is 64512, while the sum is 42.

The square root of 19748814 is about 4443.9637712295. The cubic root of 19748814 is about 270.3005979969.

The spelling of 19748814 in words is "nineteen million, seven hundred forty-eight thousand, eight hundred fourteen".