964909 has 4 divisors (see below), whose sum is σ = 1052640. Its totient is φ = 877180.

The previous prime is 964897. The next prime is 964913. The reversal of 964909 is 909469.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 964909 - 2¹¹ = 962861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964939) 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, 43849 + ... + 43870.

It is an arithmetic number, because the mean of its divisors is an integer number (263160).

2⁹⁶⁴⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

964909 is a deficient number, since it is larger than the sum of its proper divisors (87731).

964909 is a wasteful number, since it uses less digits than its factorization.

964909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87730.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 964909 is about 982.2978163470. The cubic root of 964909 is about 98.8163448839.

It can be divided in two parts, 96 and 4909, that added together give a palindrome (5005).

The spelling of 964909 in words is "nine hundred sixty-four thousand, nine hundred nine".