1604960 has 48 divisors (see below), whose sum is σ = 4336416. Its totient is φ = 549888.

The previous prime is 1604957. The next prime is 1604983. The reversal of 1604960 is 694061.

It is a congruent number.

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, 404 + ... + 1836.

It is an arithmetic number, because the mean of its divisors is an integer number (90342).

2^1604960 is an apocalyptic number.

1604960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1604960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2168208).

1604960 is an abundant number, since it is smaller than the sum of its proper divisors (2731456).

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

1604960 is a wasteful number, since it uses less digits than its factorization.

1604960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1604960 is about 1266.8701590929. The cubic root of 1604960 is about 117.0814442550.

The spelling of 1604960 in words is "one million, six hundred four thousand, nine hundred sixty".