1920560 has 20 divisors (see below), whose sum is σ = 4465488. Its totient is φ = 768192.

The previous prime is 1920551. The next prime is 1920571. The reversal of 1920560 is 650291.

It is a tau number, because it is divible by the number of its divisors (20).

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, 11924 + ... + 12083.

2^1920560 is an apocalyptic number.

1920560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1920560 is an abundant number, since it is smaller than the sum of its proper divisors (2544928).

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

1920560 is a wasteful number, since it uses less digits than its factorization.

1920560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24020 (or 24014 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1920560 is about 1385.8427039170. The cubic root of 1920560 is about 124.3013827455.

The spelling of 1920560 in words is "one million, nine hundred twenty thousand, five hundred sixty".