1560978 has 32 divisors (see below), whose sum is σ = 3510720. Its totient is φ = 514080.

The previous prime is 1560973. The next prime is 1560997. The reversal of 1560978 is 8790651.

1560978 is a `hidden beast` number, since 1 + 560 + 97 + 8 = 666.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1560973) 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 15 ways as a sum of consecutive naturals, for example, 7293 + ... + 7503.

It is an arithmetic number, because the mean of its divisors is an integer number (109710).

2^1560978 is an apocalyptic number.

1560978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1560978 is an abundant number, since it is smaller than the sum of its proper divisors (1949742).

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

1560978 is a wasteful number, since it uses less digits than its factorization.

1560978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1560978 is about 1249.3910516728. The cubic root of 1560978 is about 116.0020312764.

The spelling of 1560978 in words is "one million, five hundred sixty thousand, nine hundred seventy-eight".