19213848 has 80 divisors (see below), whose sum is σ = 54450000. Its totient is φ = 6329664.

The previous prime is 19213829. The next prime is 19213849. The reversal of 19213848 is 84831291.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19213849) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 96453 + ... + 96651.

It is an arithmetic number, because the mean of its divisors is an integer number (680625).

Almost surely, 2^19213848 is an apocalyptic number.

19213848 is a gapful number since it is divisible by the number (18) 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 19213848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27225000).

19213848 is an abundant number, since it is smaller than the sum of its proper divisors (35236152).

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

19213848 is a wasteful number, since it uses less digits than its factorization.

19213848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 353 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 19213848 is about 4383.3603547963. The cubic root of 19213848 is about 267.8375416971.

The spelling of 19213848 in words is "nineteen million, two hundred thirteen thousand, eight hundred forty-eight".