1965164 has 12 divisors (see below), whose sum is σ = 3512544. Its totient is φ = 961584.

The previous prime is 1965133. The next prime is 1965167. The reversal of 1965164 is 4615691.

It is a self number, because there is not a number n which added to its sum of digits gives 1965164.

It is not an unprimeable number, because it can be changed into a prime (1965167) 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, 5039 + ... + 5414.

It is an arithmetic number, because the mean of its divisors is an integer number (292712).

2^1965164 is an apocalyptic number.

It is an amenable number.

1965164 is a deficient number, since it is larger than the sum of its proper divisors (1547380).

1965164 is a wasteful number, since it uses less digits than its factorization.

1965164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10504 (or 10502 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 1965164 is about 1401.8430725299. The cubic root of 1965164 is about 125.2563060983.

The spelling of 1965164 in words is "one million, nine hundred sixty-five thousand, one hundred sixty-four".