1964163 has 16 divisors (see below), whose sum is σ = 2920320. Its totient is φ = 1166976.

The previous prime is 1964159. The next prime is 1964173. The reversal of 1964163 is 3614691.

It is not a de Polignac number, because 1964163 - 2² = 1964159 is a prime.

1964163 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1964163.

It is not an unprimeable number, because it can be changed into a prime (1964113) 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, 45 + ... + 1982.

It is an arithmetic number, because the mean of its divisors is an integer number (182520).

2^1964163 is an apocalyptic number.

1964163 is a deficient number, since it is larger than the sum of its proper divisors (956157).

1964163 is a wasteful number, since it uses less digits than its factorization.

1964163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066.

The product of its digits is 3888, while the sum is 30.

The square root of 1964163 is about 1401.4859970760. The cubic root of 1964163 is about 125.2350351243.

The spelling of 1964163 in words is "one million, nine hundred sixty-four thousand, one hundred sixty-three".