1940163 has 4 divisors (see below), whose sum is σ = 2586888. Its totient is φ = 1293440.

The previous prime is 1940153. The next prime is 1940173. The reversal of 1940163 is 3610491.

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

It is an interprime number because it is at equal distance from previous prime (1940153) and next prime (1940173).

It is a cyclic number.

It is not a de Polignac number, because 1940163 - 2⁵ = 1940131 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1940123) 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, 323358 + ... + 323363.

It is an arithmetic number, because the mean of its divisors is an integer number (646722).

2^1940163 is an apocalyptic number.

1940163 is a deficient number, since it is larger than the sum of its proper divisors (646725).

1940163 is an equidigital number, since it uses as much as digits as its factorization.

1940163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646724.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1940163 is about 1392.8973400793. The cubic root of 1940163 is about 124.7228633496.

The spelling of 1940163 in words is "one million, nine hundred forty thousand, one hundred sixty-three".