1928604 has 24 divisors (see below), whose sum is σ = 4530960. Its totient is φ = 638464.

The previous prime is 1928569. The next prime is 1928621. The reversal of 1928604 is 4068291.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1612 + ... + 2540.

It is an arithmetic number, because the mean of its divisors is an integer number (188790).

2^1928604 is an apocalyptic number.

It is an amenable number.

1928604 is an abundant number, since it is smaller than the sum of its proper divisors (2602356).

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

1928604 is a wasteful number, since it uses less digits than its factorization.

1928604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1928604 is about 1388.7418766639. The cubic root of 1928604 is about 124.4746807434.

The spelling of 1928604 in words is "one million, nine hundred twenty-eight thousand, six hundred four".