1960663 has 4 divisors (see below), whose sum is σ = 1978128. Its totient is φ = 1943200.

The previous prime is 1960649. The next prime is 1960669. The reversal of 1960663 is 3660691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3660691 = 601 ⋅6091.

It is a cyclic number.

It is not a de Polignac number, because 1960663 - 2⁵ = 1960631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1960669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8563 + ... + 8788.

It is an arithmetic number, because the mean of its divisors is an integer number (494532).

2^1960663 is an apocalyptic number.

1960663 is a deficient number, since it is larger than the sum of its proper divisors (17465).

1960663 is a wasteful number, since it uses less digits than its factorization.

1960663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17464.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 1960663 is about 1400.2367656936. The cubic root of 1960663 is about 125.1606042285.

The spelling of 1960663 in words is "one million, nine hundred sixty thousand, six hundred sixty-three".