1791264 has 48 divisors (see below), whose sum is σ = 4814208. Its totient is φ = 582912.

The previous prime is 1791247. The next prime is 1791269. The reversal of 1791264 is 4621971.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1791269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4314 + ... + 4710.

It is an arithmetic number, because the mean of its divisors is an integer number (100296).

2^1791264 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 1791264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2407104).

1791264 is an abundant number, since it is smaller than the sum of its proper divisors (3022944).

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

1791264 is a wasteful number, since it uses less digits than its factorization.

1791264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 449 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 1791264 is about 1338.3811116420. The cubic root of 1791264 is about 121.4469276583.

The spelling of 1791264 in words is "one million, seven hundred ninety-one thousand, two hundred sixty-four".