1928448001 has 4 divisors (see below), whose sum is σ = 1930175572. Its totient is φ = 1926720432.

The previous prime is 1928447999. The next prime is 1928448077. The reversal of 1928448001 is 1008448291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1008448291 = 29 ⋅34774079.

It can be written as a sum of positive squares in 2 ways, for example, as 51825601 + 1876622400 = 7199^2 + 43320^2 .

It is a cyclic number.

It is not a de Polignac number, because 1928448001 - 2¹ = 1928447999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1928440001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862110 + ... + 864343.

It is an arithmetic number, because the mean of its divisors is an integer number (482543893).

Almost surely, 2^1928448001 is an apocalyptic number.

It is an amenable number.

1928448001 is a deficient number, since it is larger than the sum of its proper divisors (1727571).

1928448001 is a wasteful number, since it uses less digits than its factorization.

1928448001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727570.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 1928448001 is about 43914.0979754794. The cubic root of 1928448001 is about 1244.7132452489.

The spelling of 1928448001 in words is "one billion, nine hundred twenty-eight million, four hundred forty-eight thousand, one".