1968614 has 4 divisors (see below), whose sum is σ = 2952924. Its totient is φ = 984306.

The previous prime is 1968613. The next prime is 1968641. The reversal of 1968614 is 4168691.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968611) 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 as a sum of consecutive naturals, namely, 492152 + ... + 492155.

It is an arithmetic number, because the mean of its divisors is an integer number (738231).

2^1968614 is an apocalyptic number.

1968614 is a deficient number, since it is larger than the sum of its proper divisors (984310).

1968614 is an equidigital number, since it uses as much as digits as its factorization.

1968614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984309.

The product of its digits is 10368, while the sum is 35.

The square root of 1968614 is about 1403.0730558314. The cubic root of 1968614 is about 125.3295623457.

The spelling of 1968614 in words is "one million, nine hundred sixty-eight thousand, six hundred fourteen".