1928424 has 32 divisors (see below), whose sum is σ = 5076000. Its totient is φ = 608832.

The previous prime is 1928419. The next prime is 1928447. The reversal of 1928424 is 4248291.

It is a junction number, because it is equal to n+sod(n) for n = 1928391 and 1928400.

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, 1659 + ... + 2570.

It is an arithmetic number, because the mean of its divisors is an integer number (158625).

2^1928424 is an apocalyptic number.

It is an amenable number.

1928424 is an abundant number, since it is smaller than the sum of its proper divisors (3147576).

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

1928424 is a wasteful number, since it uses less digits than its factorization.

1928424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257 (or 4253 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1928424 is about 1388.6770682920. The cubic root of 1928424 is about 124.4708081427.

The spelling of 1928424 in words is "one million, nine hundred twenty-eight thousand, four hundred twenty-four".