19147848 has 64 divisors (see below), whose sum is σ = 51477120. Its totient is φ = 5913600.

The previous prime is 19147837. The next prime is 19147873. The reversal of 19147848 is 84874191.

It is a super-2 number, since 2×19147848² = 733280166062208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28638 + ... + 29298.

It is an arithmetic number, because the mean of its divisors is an integer number (804330).

Almost surely, 2^19147848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19147848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25738560).

19147848 is an abundant number, since it is smaller than the sum of its proper divisors (32329272).

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

19147848 is a wasteful number, since it uses less digits than its factorization.

19147848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 754 counting only the distinct ones).

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

The square root of 19147848 is about 4375.8254078516. The cubic root of 19147848 is about 267.5305138860.

The spelling of 19147848 in words is "nineteen million, one hundred forty-seven thousand, eight hundred forty-eight".