1968585 has 16 divisors (see below), whose sum is σ = 3235776. Its totient is φ = 1021248.

The previous prime is 1968581. The next prime is 1968599. The reversal of 1968585 is 5858691.

It is not a de Polignac number, because 1968585 - 2² = 1968581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1219 + ... + 2328.

It is an arithmetic number, because the mean of its divisors is an integer number (202236).

2^1968585 is an apocalyptic number.

1968585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1968585 is a deficient number, since it is larger than the sum of its proper divisors (1267191).

1968585 is a wasteful number, since it uses less digits than its factorization.

1968585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592.

The product of its digits is 86400, while the sum is 42.

The square root of 1968585 is about 1403.0627213350. The cubic root of 1968585 is about 125.3289469254.

The spelling of 1968585 in words is "one million, nine hundred sixty-eight thousand, five hundred eighty-five".