964220 has 24 divisors (see below), whose sum is σ = 2081184. Its totient is φ = 374976.

The previous prime is 964219. The next prime is 964253. The reversal of 964220 is 22469.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89 + ... + 1391.

It is an arithmetic number, because the mean of its divisors is an integer number (86716).

2⁹⁶⁴²²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 964220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040592).

964220 is an abundant number, since it is smaller than the sum of its proper divisors (1116964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

964220 is a wasteful number, since it uses less digits than its factorization.

964220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 964220 is about 981.9470454154. The cubic root of 964220 is about 98.7928191167.

Adding to 964220 its reverse (22469), we get a palindrome (986689).

The spelling of 964220 in words is "nine hundred sixty-four thousand, two hundred twenty".