1968593 has 16 divisors (see below), whose sum is σ = 2322432. Its totient is φ = 1650000.

The previous prime is 1968581. The next prime is 1968599. The reversal of 1968593 is 3958691.

It is not a de Polignac number, because 1968593 - 2¹⁸ = 1706449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1968593.

It is not an unprimeable number, because it can be changed into a prime (1968599) 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, 7718 + ... + 7968.

It is an arithmetic number, because the mean of its divisors is an integer number (145152).

2^1968593 is an apocalyptic number.

It is an amenable number.

1968593 is a deficient number, since it is larger than the sum of its proper divisors (353839).

1968593 is a wasteful number, since it uses less digits than its factorization.

1968593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316.

The product of its digits is 58320, while the sum is 41.

The square root of 1968593 is about 1403.0655722382. The cubic root of 1968593 is about 125.3291166971.

The spelling of 1968593 in words is "one million, nine hundred sixty-eight thousand, five hundred ninety-three".