1964885 has 32 divisors (see below), whose sum is σ = 2808960. Its totient is φ = 1306368.

The previous prime is 1964881. The next prime is 1964887. The reversal of 1964885 is 5884691.

It is a cyclic number.

It is not a de Polignac number, because 1964885 - 2² = 1964881 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45674 + ... + 45716.

It is an arithmetic number, because the mean of its divisors is an integer number (87780).

2^1964885 is an apocalyptic number.

It is an amenable number.

1964885 is a deficient number, since it is larger than the sum of its proper divisors (844075).

1964885 is a wasteful number, since it uses less digits than its factorization.

1964885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117.

The product of its digits is 69120, while the sum is 41.

The square root of 1964885 is about 1401.7435571459. The cubic root of 1964885 is about 125.2503781514.

The spelling of 1964885 in words is "one million, nine hundred sixty-four thousand, eight hundred eighty-five".