1604048 has 20 divisors (see below), whose sum is σ = 3215940. Its totient is φ = 774144.

The previous prime is 1604021. The next prime is 1604051. The reversal of 1604048 is 8404061.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 322624 + 1281424 = 568^2 + 1132^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265 + ... + 2192.

It is an arithmetic number, because the mean of its divisors is an integer number (160797).

2^1604048 is an apocalyptic number.

It is an amenable number.

1604048 is an abundant number, since it is smaller than the sum of its proper divisors (1611892).

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

1604048 is a wasteful number, since it uses less digits than its factorization.

1604048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1604048 is about 1266.5101657705. The cubic root of 1604048 is about 117.0592633265.

The spelling of 1604048 in words is "one million, six hundred four thousand, forty-eight".