19023648 has 48 divisors (see below), whose sum is σ = 57072960. Its totient is φ = 5435136.

The previous prime is 19023619. The next prime is 19023649. The reversal of 19023648 is 84632091.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (19023649) 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, 13483 + ... + 14826.

It is an arithmetic number, because the mean of its divisors is an integer number (1189020).

Almost surely, 2^19023648 is an apocalyptic number.

It is an amenable number.

19023648 is an abundant number, since it is smaller than the sum of its proper divisors (38049312).

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

19023648 is a wasteful number, since it uses less digits than its factorization.

19023648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28329 (or 28321 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 19023648 is about 4361.6107116523. The cubic root of 19023648 is about 266.9508248732.

The spelling of 19023648 in words is "nineteen million, twenty-three thousand, six hundred forty-eight".