19650048 has 80 divisors (see below), whose sum is σ = 57157056. Its totient is φ = 5949440.

The previous prime is 19650019. The next prime is 19650053. The reversal of 19650048 is 84005691.

It is a super-2 number, since 2×19650048² = 772248772804608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16315 + ... + 17477.

Almost surely, 2^19650048 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 19650048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28578528).

19650048 is an abundant number, since it is smaller than the sum of its proper divisors (37507008).

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

19650048 is a wasteful number, since it uses less digits than its factorization.

19650048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 19650048 is about 4432.8374660030. The cubic root of 19650048 is about 269.8492436862.

The spelling of 19650048 in words is "nineteen million, six hundred fifty thousand, forty-eight".