19748232 has 128 divisors (see below), whose sum is σ = 64569600. Its totient is φ = 5474304.

The previous prime is 19748221. The next prime is 19748243. The reversal of 19748232 is 23284791.

It is an interprime number because it is at equal distance from previous prime (19748221) and next prime (19748243).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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 31 ways as a sum of consecutive naturals, for example, 55768 + ... + 56120.

It is an arithmetic number, because the mean of its divisors is an integer number (504450).

Almost surely, 2^19748232 is an apocalyptic number.

19748232 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 19748232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32284800).

19748232 is an abundant number, since it is smaller than the sum of its proper divisors (44821368).

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

19748232 is a wasteful number, since it uses less digits than its factorization.

19748232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 402 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 19748232 is about 4443.8982886650. The cubic root of 19748232 is about 270.2979427068.

The spelling of 19748232 in words is "nineteen million, seven hundred forty-eight thousand, two hundred thirty-two".