1964365 has 16 divisors (see below), whose sum is σ = 2596608. Its totient is φ = 1417536.

The previous prime is 1964363. The next prime is 1964381. The reversal of 1964365 is 5634691.

It is a cyclic number.

It is not a de Polignac number, because 1964365 - 2¹ = 1964363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1964365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964363) 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, 2734 + ... + 3376.

It is an arithmetic number, because the mean of its divisors is an integer number (162288).

2^1964365 is an apocalyptic number.

It is an amenable number.

1964365 is a deficient number, since it is larger than the sum of its proper divisors (632243).

1964365 is a wasteful number, since it uses less digits than its factorization.

1964365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its digits is 19440, while the sum is 34.

The square root of 1964365 is about 1401.5580615872. The cubic root of 1964365 is about 125.2393281505.

The spelling of 1964365 in words is "one million, nine hundred sixty-four thousand, three hundred sixty-five".