1560840 has 32 divisors (see below), whose sum is σ = 4682880. Its totient is φ = 416192.

The previous prime is 1560817. The next prime is 1560847. The reversal of 1560840 is 480651.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 1560840.

It is not an unprimeable number, because it can be changed into a prime (1560847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6384 + ... + 6623.

It is an arithmetic number, because the mean of its divisors is an integer number (146340).

2^1560840 is an apocalyptic number.

1560840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1560840 is an abundant number, since it is smaller than the sum of its proper divisors (3122040).

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

1560840 is a wasteful number, since it uses less digits than its factorization.

1560840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13021 (or 13017 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1560840 is about 1249.3358235479. The cubic root of 1560840 is about 115.9986127460.

The spelling of 1560840 in words is "one million, five hundred sixty thousand, eight hundred forty".