964805 has 4 divisors (see below), whose sum is σ = 1157772. Its totient is φ = 771840.

The previous prime is 964793. The next prime is 964823. The reversal of 964805 is 508469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508469 = 13 ⋅39113.

It can be written as a sum of positive squares in 2 ways, for example, as 470596 + 494209 = 686^2 + 703^2 .

It is not a de Polignac number, because 964805 - 2¹² = 960709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 96476 + ... + 96485.

It is an arithmetic number, because the mean of its divisors is an integer number (289443).

2⁹⁶⁴⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

964805 is a deficient number, since it is larger than the sum of its proper divisors (192967).

964805 is a wasteful number, since it uses less digits than its factorization.

964805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192966.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 964805 is about 982.2448778182. The cubic root of 964805 is about 98.8127945425.

It can be divided in two parts, 96 and 4805, that multiplied together give a triangular number (461280 = T₉₆₀).

The spelling of 964805 in words is "nine hundred sixty-four thousand, eight hundred five".