1968015 has 16 divisors (see below), whose sum is σ = 3598848. Its totient is φ = 899616.

The previous prime is 1967947. The next prime is 1968017. The reversal of 1968015 is 5108691.

It is a happy number.

It is not a de Polignac number, because 1968015 - 2⁸ = 1967759 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968017) 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, 9267 + ... + 9476.

It is an arithmetic number, because the mean of its divisors is an integer number (224928).

2^1968015 is an apocalyptic number.

1968015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1968015 is a deficient number, since it is larger than the sum of its proper divisors (1630833).

1968015 is a wasteful number, since it uses less digits than its factorization.

1968015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18758.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1968015 is about 1402.8595795731. The cubic root of 1968015 is about 125.3168495059.

The spelling of 1968015 in words is "one million, nine hundred sixty-eight thousand, fifteen".