19460448 has 144 divisors (see below), whose sum is σ = 64864800. Its totient is φ = 5531904.

The previous prime is 19460401. The next prime is 19460449. The reversal of 19460448 is 84406491.

It is a happy number.

19460448 is a `hidden beast` number, since 1 + 9 + 4 + 604 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19460449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98686 + ... + 98882.

It is an arithmetic number, because the mean of its divisors is an integer number (450450).

Almost surely, 2^19460448 is an apocalyptic number.

19460448 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 19460448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32432400).

19460448 is an abundant number, since it is smaller than the sum of its proper divisors (45404352).

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

19460448 is a wasteful number, since it uses less digits than its factorization.

19460448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 19460448 is about 4411.3997778483. The cubic root of 19460448 is about 268.9785272358.

The spelling of 19460448 in words is "nineteen million, four hundred sixty thousand, four hundred forty-eight".