964885 has 4 divisors (see below), whose sum is σ = 1157868. Its totient is φ = 771904.

The previous prime is 964883. The next prime is 964889. The reversal of 964885 is 588469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588469 = 7 ⋅84067.

It can be written as a sum of positive squares in 2 ways, for example, as 743044 + 221841 = 862^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 964885 - 2¹ = 964883 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96484 + ... + 96493.

It is an arithmetic number, because the mean of its divisors is an integer number (289467).

2⁹⁶⁴⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

964885 is a deficient number, since it is larger than the sum of its proper divisors (192983).

964885 is a wasteful number, since it uses less digits than its factorization.

964885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192982.

The product of its digits is 69120, while the sum is 40.

The square root of 964885 is about 982.2856000166. The cubic root of 964885 is about 98.8155255970.

It can be divided in two parts, 964 and 885, that added together give a square (1849 = 43²).

The spelling of 964885 in words is "nine hundred sixty-four thousand, eight hundred eighty-five".