1264384 has 36 divisors (see below), whose sum is σ = 2759400. Its totient is φ = 573440.

The previous prime is 1264363. The next prime is 1264387. The reversal of 1264384 is 4834621.

It is not an unprimeable number, because it can be changed into a prime (1264387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2592 + ... + 3040.

It is an arithmetic number, because the mean of its divisors is an integer number (76650).

2^1264384 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 1264384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379700).

1264384 is an abundant number, since it is smaller than the sum of its proper divisors (1495016).

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

1264384 is an equidigital number, since it uses as much as digits as its factorization.

1264384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 462 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1264384 is about 1124.4483091721. The cubic root of 1264384 is about 108.1333515106.

The spelling of 1264384 in words is "one million, two hundred sixty-four thousand, three hundred eighty-four".