1928127404 has 48 divisors (see below), whose sum is σ = 3960391680. Its totient is φ = 804323520.

The previous prime is 1928127401. The next prime is 1928127413. The reversal of 1928127404 is 4047218291.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1928127401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150914 + ... + 163190.

It is an arithmetic number, because the mean of its divisors is an integer number (82508160).

Almost surely, 2^1928127404 is an apocalyptic number.

1928127404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1928127404 is an abundant number, since it is smaller than the sum of its proper divisors (2032264276).

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

1928127404 is a wasteful number, since it uses less digits than its factorization.

1928127404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438 (or 12436 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1928127404 is about 43910.4475495297. The cubic root of 1928127404 is about 1244.6442651766.

The spelling of 1928127404 in words is "one billion, nine hundred twenty-eight million, one hundred twenty-seven thousand, four hundred four".