964404 has 72 divisors (see below), whose sum is σ = 2882880. Its totient is φ = 266112.

The previous prime is 964373. The next prime is 964417. The reversal of 964404 is 404469.

It is a congruent number.

It is an unprimeable number.

964404 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10792 + ... + 10880.

It is an arithmetic number, because the mean of its divisors is an integer number (40040).

2⁹⁶⁴⁴⁰⁴ 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 964404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441440).

964404 is an abundant number, since it is smaller than the sum of its proper divisors (1918476).

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

964404 is a wasteful number, since it uses less digits than its factorization.

964404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 964404 is about 982.0407323528. The cubic root of 964404 is about 98.7991028565.

The spelling of 964404 in words is "nine hundred sixty-four thousand, four hundred four".