1405344 has 24 divisors (see below), whose sum is σ = 3689280. Its totient is φ = 468416.

The previous prime is 1405343. The next prime is 1405351. The reversal of 1405344 is 4435041.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1405344.

It is not an unprimeable number, because it can be changed into a prime (1405343) 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, 7224 + ... + 7415.

It is an arithmetic number, because the mean of its divisors is an integer number (153720).

2^1405344 is an apocalyptic number.

It is an amenable number.

1405344 is an abundant number, since it is smaller than the sum of its proper divisors (2283936).

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

1405344 is a wasteful number, since it uses less digits than its factorization.

1405344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14652 (or 14644 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1405344 is about 1185.4720578740. The cubic root of 1405344 is about 112.0110533309.

The spelling of 1405344 in words is "one million, four hundred five thousand, three hundred forty-four".