1380346 has 8 divisors (see below), whose sum is σ = 2258784. Its totient is φ = 627420.

The previous prime is 1380341. The next prime is 1380377. The reversal of 1380346 is 6430831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 1380346.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31350 + ... + 31393.

It is an arithmetic number, because the mean of its divisors is an integer number (282348).

2^1380346 is an apocalyptic number.

1380346 is a deficient number, since it is larger than the sum of its proper divisors (878438).

1380346 is a wasteful number, since it uses less digits than its factorization.

1380346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62756.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1380346 is about 1174.8812705972. The cubic root of 1380346 is about 111.3429320691.

The spelling of 1380346 in words is "one million, three hundred eighty thousand, three hundred forty-six".