1382979 has 8 divisors (see below), whose sum is σ = 1985872. Its totient is φ = 851040.

The previous prime is 1382977. The next prime is 1382987. The reversal of 1382979 is 9792831.

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

It is not a de Polignac number, because 1382979 - 2¹ = 1382977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 35461 = 1382979 / (1 + 3 + 8 + 2 + 9 + 7 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1382977) 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, 17692 + ... + 17769.

It is an arithmetic number, because the mean of its divisors is an integer number (248234).

2^1382979 is an apocalyptic number.

1382979 is a deficient number, since it is larger than the sum of its proper divisors (602893).

1382979 is a wasteful number, since it uses less digits than its factorization.

1382979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35477.

The product of its digits is 27216, while the sum is 39.

The square root of 1382979 is about 1176.0012755095. The cubic root of 1382979 is about 111.4136823818.

The spelling of 1382979 in words is "one million, three hundred eighty-two thousand, nine hundred seventy-nine".