1380344 has 24 divisors (see below), whose sum is σ = 2976840. Its totient is φ = 587808.

The previous prime is 1380341. The next prime is 1380377. The reversal of 1380344 is 4430831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8714 + ... + 8870.

It is an arithmetic number, because the mean of its divisors is an integer number (124035).

2^1380344 is an apocalyptic number.

1380344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1380344 is an abundant number, since it is smaller than the sum of its proper divisors (1596496).

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

1380344 is an equidigital number, since it uses as much as digits as its factorization.

1380344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1380344 is about 1174.8804194470. The cubic root of 1380344 is about 111.3428782937.

The spelling of 1380344 in words is "one million, three hundred eighty thousand, three hundred forty-four".