19748652 has 144 divisors (see below), whose sum is σ = 60775680. Its totient is φ = 4878720.

The previous prime is 19748647. The next prime is 19748683. The reversal of 19748652 is 25684791.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 294723 + ... + 294789.

Almost surely, 2^19748652 is an apocalyptic number.

19748652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19748652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30387840).

19748652 is an abundant number, since it is smaller than the sum of its proper divisors (41027028).

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

19748652 is a wasteful number, since it uses less digits than its factorization.

19748652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 119 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 19748652 is about 4443.9455442208. The cubic root of 19748652 is about 270.2998589008.

The spelling of 19748652 in words is "nineteen million, seven hundred forty-eight thousand, six hundred fifty-two".