19949248 has 56 divisors (see below), whose sum is σ = 44256960. Its totient is φ = 8843520.

The previous prime is 19949243. The next prime is 19949249. The reversal of 19949248 is 84294991.

It is a junction number, because it is equal to n+sod(n) for n = 19949198 and 19949207.

It is not an unprimeable number, because it can be changed into a prime (19949243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29943 + ... + 30601.

Almost surely, 2^19949248 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 19949248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22128480).

19949248 is an abundant number, since it is smaller than the sum of its proper divisors (24307712).

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

19949248 is a wasteful number, since it uses less digits than its factorization.

19949248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 715 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 19949248 is about 4466.4581045835. The cubic root of 19949248 is about 271.2119636331.

The spelling of 19949248 in words is "nineteen million, nine hundred forty-nine thousand, two hundred forty-eight".