1560816 has 40 divisors (see below), whose sum is σ = 4481360. Its totient is φ = 520128.

The previous prime is 1560799. The next prime is 1560817. The reversal of 1560816 is 6180651.

It is a super-2 number, since 2×1560816² = 4872293171712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 1560816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1560817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375 + ... + 2238.

It is an arithmetic number, because the mean of its divisors is an integer number (112034).

2^1560816 is an apocalyptic number.

1560816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1560816 is an abundant number, since it is smaller than the sum of its proper divisors (2920544).

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

1560816 is a wasteful number, since it uses less digits than its factorization.

1560816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630 (or 3618 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1560816 is about 1249.3262184073. The cubic root of 1560816 is about 115.9980181984.

The spelling of 1560816 in words is "one million, five hundred sixty thousand, eight hundred sixteen".